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org.apache.tomcat.embed:tomcat-embed-core

Open actionable advisories and recorded vendor fixes. This public package view has no inventory attached and cannot establish whether your deployment is affected. A vendor fix never resolves your finding; verify your installed version and the source guidance.

Open advisories

79 actionable advisories, newest first. Withdrawn advisories and news are excluded. Coverage is partial.

  1. Critical, CVSS 9.1MavenAmendedPublished

    Apache Tomcat's FORM authentication process has an Incorrect Authorization vulnerability

    CVE-2026-68525 · GHSA-h3x4-894j-xpx5

    Affected
    • Maven org.apache.tomcat.embed:tomcat-embed-core >= 11.0.0-M1, < 11.0.25; >= 10.1.0-M1, < 10.1.58; >= 9.0.0-M1, < 9.0.121; >= 8.5.0, <= 8.5.100; >= 7.0.0, <= 7.0.109
    Fixed in
    11.0.259.0.12110.1.58· Partial vendor fix
    Issue
    Incorrect Authorization vulnerability in Apache Tomcat's FORM authentication process allows the bypassing of a security constraint that limits user has access to a resource POST but not GET. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.0.M1 through 9.0.120. The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121, which fixes the issue.

    Recommended action: Upgrade to 11.0.25, 10.1.58 or 9.0.121 by release line; some affected versions have no fix yet, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:osv.dev (1)github.com (2)Source checked Evidence →
  2. Critical, CVSS 9.8MavenAmendedPublished

    Apache Tomcat - HTTP/2 no-authority bypass of strict SNI validation

    CVE-2026-65637 · GHSA-f525-44xv-f2qj

    Affected
    • Maven org.apache.tomcat.embed:tomcat-embed-core >= 11.0.20, < 11.0.25; >= 10.1.53, < 10.1.59; >= 9.0.115, < 9.0.121
    Fixed in
    10.1.5911.0.259.0.121· Vendor fix available
    Issue
    Improper Input Validation vulnerability in Apache Tomcat due to incomplete fix for CVE-2026-32990. This issue affects Apache Tomcat: from 11.0.20 through 11.0.24, from 10.1.53 through 10.1.57, from 9.0.115 through 9.0.120. Users are recommended to upgrade to version 11.0.25, 10.1.59 or 9.0.121, which fix the issue.

    Recommended action: Upgrade to 11.0.25, 10.1.59 or 9.0.121 by release line, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.com (1)osv.dev (2)osv.dev (3)Source checked Evidence →
  3. Critical, CVSS 9.1MavenAmendedPublished

    Apache Tomcat has an Improper Access Control, Incorrect Authorization vulnerability

    CVE-2026-65182 · GHSA-gcx9-497g-6cp6

    Affected
    • Maven org.apache.tomcat.embed:tomcat-embed-core >= 11.0.0-M1, < 11.0.25; >= 10.1.0-M1, < 10.1.58; >= 9.0.0-M1, < 9.0.121; >= 8.5.0, <= 8.5.100; >= 7.0.0, <= 7.0.109
    Fixed in
    11.0.259.0.12110.1.58· Partial vendor fix
    Issue
    Improper Access Control, Incorrect Authorization vulnerability in Apache Tomcat leads to security constraint bypass if a constraint for a longer path is specified before a more restrictive constraint for a shorter sub-path. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.0.M1 through 9.0.120, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Users are recommended to upgrade to version 11.0.25, 10.1.58, 9.0.121, which fixes the issue.

    Recommended action: Upgrade to 11.0.25, 10.1.58 or 9.0.121 by release line; some affected versions have no fix yet, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:osv.dev (1)github.com (2)Source checked Evidence →
  4. Critical, CVSS 9.8MavenAmendedPublished

    Apache Tomcat's DIGEST authenticator has an Authentication Bypass by Capture-replay vulnerability

    CVE-2026-65905 · GHSA-9xv2-5v5q-p794

    Affected
    • Maven org.apache.tomcat.embed:tomcat-embed-core >= 11.0.0-M1, < 11.0.25; >= 10.1.0-M1, < 10.1.58; >= 9.0.0.M1, < 9.0.121; >= 8.5.0, <= 8.5.100; >= 7.0.30, <= 7.0.109
    Fixed in
    11.0.259.0.12110.1.58· Partial vendor fix
    Issue
    Authentication Bypass by Capture-replay vulnerability in Apache Tomcat's DIGEST authenticator. If, before windowSize requests have been made, a client makes a DIGEST authenticated request with a nonceCount on the upper boundary of the replay window then that request is replayable once only while the associated nonceCount remains within the replay window. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.0.M1 through 9.0.120. The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.0 through 8.5.100, from 7.0.30 through 7.0.109. Other unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121, which fix the issue.

    Recommended action: Upgrade to 11.0.25, 10.1.58 or 9.0.121 by release line; some affected versions have no fix yet, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:osv.dev (1)github.com (2)Source checked Evidence →
  5. High, CVSS 7.3MavenPublished

    Apache Tomcat's rewrite valve has an Always-Incorrect Control Flow Implementation vulnerability

    CVE-2026-53404 · GHSA-h792-v28v-ppgr

    Affected
    • Maven org.apache.tomcat.embed:tomcat-embed-core >= 11.0.0-M1, < 11.0.23; >= 10.1.0-M1, < 10.1.56; >= 9.0.0.M1, < 9.0.119; >= 8.5.0, <= 8.5.100
    Fixed in
    10.1.569.0.11911.0.23· Partial vendor fix
    Issue
    Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat's rewrite valve meant that if the first condition in an OR chain matched, subsequent non-OR conditions were skipped. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.0.M1 through 9.0.118, from 8.5.0 through 8.5.100. Other versions that have reached end of support may also be affected. Users are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119, which fix the issue.

    Recommended action: Upgrade to 11.0.23, 10.1.56 or 9.0.119 by release line; some affected versions have no fix yet, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  6. High, CVSS 7.3MavenPublished

    Apache Tomcat has a Missing Critical Step in Authentication vulnerability

    CVE-2026-55957 · GHSA-7895-gffq-w6jq

    Affected
    • Maven org.apache.tomcat.embed:tomcat-embed-core >= 11.0.0-M1, < 11.0.5; >= 10.1.0-M1, < 10.1.37; >= 9.0.0.M1, < 9.0.101; >= 8.5.0, <= 8.5.100; <= 7.0.109
    Fixed in
    9.0.10110.1.3711.0.5· Partial vendor fix
    Issue
    Missing Critical Step in Authentication vulnerability in Apache Tomcat when the JNDIRealm was configured to authenticate binds using GSSAPI allowed attackers to authenticate without providing the correct password. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.4, from 10.1.0-M1 through 10.1.36, from 9.0.0.M1 through 9.0.100, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Users are recommended to upgrade to version 11.0.5, 10.1.37 or 9.0.101, which fixes the issue.

    Recommended action: Upgrade to 11.0.5, 10.1.37 or 9.0.101 by release line; some affected versions have no fix yet, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  7. Critical, CVSS 9.1MavenPublished

    Apache Tomcat has an Always-Incorrect Control Flow Implementation vulnerability

    CVE-2026-55276 · GHSA-mqg3-r7h5-24x4

    Affected
    • Maven org.apache.tomcat.embed:tomcat-embed-core >= 11.0.0-M1, < 11.0.23; >= 10.1.0-M1, < 10.1.56; >= 9.0.0.M1, < 9.0.119; >= 8.5.0, <= 8.5.100
    Fixed in
    10.1.569.0.11911.0.23· Partial vendor fix
    Issue
    Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat meant that special roles and empty authorisation constraints were not included when the effective web.xml was logged. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.0.M1 through 9.0.118, from 8.5.0 through 8.5.100. Other versions that have reached end of support may also be affected. Users are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119 which fixes the issue.

    Recommended action: Upgrade to 11.0.23, 10.1.56 or 9.0.119 by release line; some affected versions have no fix yet, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  8. Medium, CVSS 6.5MavenPublished

    Apache Tomcat has an Improper Authorization vulnerability

    CVE-2026-55956 · GHSA-5v3h-fjv2-54fg

    Affected
    • Maven org.apache.tomcat.embed:tomcat-embed-core >= 11.0.0-M1, < 11.0.23; >= 10.1.0-M1, < 10.1.56; >= 9.0.0.M1, < 9.0.119; >= 8.5.0, <= 8.5.100; <= 7.0.109
    Fixed in
    10.1.569.0.11911.0.23· Partial vendor fix
    Issue
    Improper Authorization vulnerability in Apache Tomcat leads to security constraints specified for the default servlet ignoring any method or method omission configured as part of the constraint. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.0.M1 through 9.0.118, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other versions that have reached end of support may also be affected. Users are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119, which fix the issue.

    Recommended action: Upgrade to 11.0.23, 10.1.56 or 9.0.119 by release line; some affected versions have no fix yet, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  9. High, CVSS 7.5MavenPublished

    Apache Tomcat: Unbounded read in WebDAV LOCK and PROPFIND handling

    CVE-2026-41284 · GHSA-gx5v-xp9w-j4cg

    Affected
    • Maven org.apache.tomcat.embed:tomcat-embed-core < 9.0.118; >= 10.1.0-M1, < 10.1.55; >= 11.0.0-M1, < 11.0.22
    Fixed in
    10.1.559.0.11811.0.22· Vendor fix available
    Issue
    Versions Affected: Apache Tomcat 11.0.0-M1 to 11.0.21 Apache Tomcat 10.1.0-M1 to 10.1.54 Apache Tomcat 9.0.0.M1 to 9.0.117 Older, unsupported versions may also be affected Description: No limit was enforced on the request body for WebDAV LOCK or PROPFIND requests which were available to unauthenticated users. Mitigation: Users of the affected versions should apply one of the following mitigations: - Upgrade to Apache Tomcat 11.0.22 or later - Upgrade to Apache Tomcat 10.1.55 or later - Upgrade to Apache Tomcat 9.0.118 or later Credit: This issue was identified by Dariusz Gońda

    Recommended action: Upgrade to 11.0.22, 10.1.55 or 9.0.118 by release line, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  10. High, CVSS 7.3MavenPublished

    Apache Tomcat - WebSocket authentication header exposure

    CVE-2026-42498 · GHSA-fv25-8xcx-gqjc

    Affected
    • Maven org.apache.tomcat.embed:tomcat-embed-core < 9.0.118; >= 10.1.0-M1, < 10.1.55; >= 11.0.0-M1, < 11.0.22
    Fixed in
    10.1.559.0.11811.0.22· Vendor fix available
    Issue
    Versions Affected: Apache Tomcat 11.0.0-M1 to 11.0.21 Apache Tomcat 10.1.0-M1 to 10.1.54 Apache Tomcat 9.0.2 to 9.0.117 Older, unsupported versions may also be affected Description: If a WebSocket request was redirected after authentication, Tomcat's WebSocket client would present the most recent authentication header to the redirect target host. Mitigation: Users of the affected versions should apply one of the following mitigations: - Upgrade to Apache Tomcat 11.0.22 or later - Upgrade to Apache Tomcat 10.1.55 or later - Upgrade to Apache Tomcat 9.0.118 or later Credit: This issue was identified by lokerxx

    Recommended action: Upgrade to 11.0.22, 10.1.55 or 9.0.118 by release line, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  11. Critical, CVSS 9.8MavenPublished

    Apache Tomcat - HTTP/2 request headers not validated

    CVE-2026-41293 · GHSA-r29c-68gh-xp6x

    Affected
    • Maven org.apache.tomcat.embed:tomcat-embed-core >= 10.1.0-M1, < 10.1.55; >= 11.0.0-M1, < 11.0.22; >= 8.5.0, < 9.0.118
    Fixed in
    10.1.559.0.11811.0.22· Vendor fix available
    Issue
    Versions Affected: Apache Tomcat 11.0.0-M1 to 11.0.21 Apache Tomcat 10.1.0-M1 to 10.1.54 Apache Tomcat 9.0.0.M1 to 9.0.117 Older, unsupported versions may also be affected Description: HTTP/2 request headers were not validated which may have triggered unexpected application behaviour if the application (quite reasonably) assumed that header value exposed through the Servlet API would be specification compliant. Mitigation: Users of the affected versions should apply one of the following mitigations: - Upgrade to Apache Tomcat 11.0.22 or later - Upgrade to Apache Tomcat 10.1.55 or later - Upgrade to Apache Tomcat 9.0.118 or later Credit: This issue was identified by Dawit Jeong (@dawitngoliath)

    Recommended action: Upgrade to 11.0.22, 10.1.55 or 9.0.118 by release line, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  12. Critical, CVSS 9.8MavenPublished

    Apache Tomcat - Digest authenticator will authenticate any unknown user

    CVE-2026-43512 · GHSA-h6fc-48rj-7qqh

    Affected
    • Maven org.apache.tomcat.embed:tomcat-embed-core < 9.0.118; >= 10.1.0-M1, < 10.1.55; >= 11.0.0-M1, < 11.0.22
    Fixed in
    10.1.559.0.11811.0.22· Vendor fix available
    Issue
    Versions Affected: Apache Tomcat 11.0.0-M1 to 11.0.21 Apache Tomcat 10.1.0-M1 to 10.1.54 Apache Tomcat 9.0.0.M1 to 9.0.117 Older, unsupported versions may also be affected Description: When DIGEST authentication was configured, any user not known to the configured Realm would be authenticated if they presented the password "null". Mitigation: Users of the affected versions should apply one of the following mitigations: - Upgrade to Apache Tomcat 11.0.22 or later - Upgrade to Apache Tomcat 10.1.55 or later - Upgrade to Apache Tomcat 9.0.118 or later

    Recommended action: Upgrade to 11.0.22, 10.1.55 or 9.0.118 by release line, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  13. High, CVSS 7.5MavenPublished

    Apache Tomcat: LockOutRealm treats user names as case-sensitive

    CVE-2026-43513 · GHSA-5mp6-jrq3-r938

    Affected
    • Maven org.apache.tomcat.embed:tomcat-embed-core < 9.0.118; >= 10.1.0-M1, < 10.1.55; >= 11.0.0-M1, < 11.0.22
    Fixed in
    10.1.559.0.11811.0.22· Vendor fix available
    Issue
    Improper Handling of Case Sensitivity vulnerability in LockOutRealm in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Older unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118 which fix the issue.

    Recommended action: Upgrade to 11.0.22, 10.1.55 or 9.0.118 by release line, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  14. Critical, CVSS 9.1MavenPublished

    Apache Tomcat - Security constraints not correctly applied

    CVE-2026-43515 · GHSA-5m62-pw8w-7w9f

    Affected
    • Maven org.apache.tomcat.embed:tomcat-embed-core < 9.0.118; >= 10.1.0-M1, < 10.1.55; >= 11.0.0-M1, < 11.0.22
    Fixed in
    10.1.559.0.11811.0.22· Vendor fix available
    Issue
    Versions Affected: Apache Tomcat 11.0.0-M1 to 11.0.21 Apache Tomcat 10.1.0-M1 to 10.1.54 Apache Tomcat 9.0.0.M1 to 9.0.117 Older, unsupported versions may also be affected Description: When multiple security constraints defined an HTTP method constraint for the same extension pattern, only the first method constraint was applied. Mitigation: Users of the affected versions should apply one of the following mitigations: - Upgrade to Apache Tomcat 11.0.22 or later - Upgrade to Apache Tomcat 10.1.55 or later - Upgrade to Apache Tomcat 9.0.118 or later

    Recommended action: Upgrade to 11.0.22, 10.1.55 or 9.0.118 by release line, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  15. Low, CVSS 3.7MavenPublished

    Apache Tomcat - AJP secret compared in non-constant time

    CVE-2026-43514 · GHSA-9m89-8frq-c98c

    Affected
    • Maven org.apache.tomcat.embed:tomcat-embed-core < 9.0.118; >= 10.1.0-M1, < 10.1.55; >= 11.0.0-M1, < 11.0.22
    Fixed in
    10.1.559.0.11811.0.22· Vendor fix available
    Issue
    Versions Affected: Apache Tomcat 11.0.0-M1 to 11.0.21 Apache Tomcat 10.1.0-M1 to 10.1.54 Apache Tomcat 9.0.0.M1 to 9.0.117 Older, unsupported versions may also be affected Description: The AJP secret was compared in non-constant time allowing an attacker on the local network to mount a timing attack to determine the AJP secret. Mitigation: Users of the affected versions should apply one of the following mitigations: - Upgrade to Apache Tomcat 11.0.22 or later - Upgrade to Apache Tomcat 10.1.55 or later - Upgrade to Apache Tomcat 9.0.118 or later

    Recommended action: Upgrade to 11.0.22, 10.1.55 or 9.0.118 by release line, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  16. High, CVSS 7.5MavenPublished

    Apache Tomcat has an Improper Encoding or Escaping of Output vulnerability in the JsonAccessLogValve

    CVE-2026-34483 · GHSA-rv64-5gf8-9qq8

    Affected
    • Maven org.apache.tomcat.embed:tomcat-embed-core >= 9.0.40, < 9.0.116; >= 10.1.0-M1, < 10.1.54; >= 11.0.0-M1, < 11.0.21
    Fixed in
    9.0.11611.0.2110.1.54· Vendor fix available
    Issue
    Improper Encoding or Escaping of Output vulnerability in the JsonAccessLogValve component of Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.20, from 10.1.0-M1 through 10.1.53, from 9.0.40 through 9.0.116. Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117 , which fix the issue.

    Recommended action: Upgrade to 11.0.21, 10.1.54 or 9.0.116 by release line, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  17. High, CVSS 7.5MavenPublished

    Apache Tomcat vulnerable to Insertion of Sensitive Information into Log File

    CVE-2026-34487 · GHSA-x4m4-345f-5h5g

    Affected
    • Maven org.apache.tomcat.embed:tomcat-embed-core >= 9.0.13, < 9.0.117; >= 10.1.0-M1, < 10.1.54; >= 11.0.0-M1, < 11.0.21
    Fixed in
    9.0.11711.0.2110.1.54· Vendor fix available
    Issue
    Insertion of Sensitive Information into Log File vulnerability in the cloud membership for clustering component of Apache Tomcat exposed the Kubernetes bearer token. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.20, from 10.1.0-M1 through 10.1.53, from 9.0.13 through 9.0.116. Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fix the issue.

    Recommended action: Upgrade to 11.0.21, 10.1.54 or 9.0.117 by release line, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  18. Medium, CVSS 6.9MavenPublished

    Apache Tomcat has an Improper Input Validation vulnerability

    CVE-2026-32990 · GHSA-8mc5-53m5-3qj2

    Affected
    • Maven org.apache.tomcat.embed:tomcat-embed-core >= 9.0.113, < 9.0.116; >= 10.1.50, < 10.1.53; >= 11.0.15, < 11.0.20
    Fixed in
    11.0.209.0.11610.1.53· Vendor fix available
    Issue
    Improper Input Validation vulnerability in Apache Tomcat due to an incomplete fix of CVE-2025-66614. This issue affects Apache Tomcat: from 11.0.15 through 11.0.19, from 10.1.50 through 10.1.52, from 9.0.113 through 9.0.115. Users are recommended to upgrade to version 11.0.20, 10.1.53 or 9.0.116, which fix the issue.

    Recommended action: Upgrade to 11.0.20, 10.1.53 or 9.0.116 by release line, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  19. Medium, CVSS 6.9MavenPublished

    Apache Tomcat has an Open Redirect vulnerability

    CVE-2026-25854 · GHSA-9m3c-qcxr-9x87

    Affected
    • Maven org.apache.tomcat.embed:tomcat-embed-core >= 10.1.0-M1, < 10.1.53; >= 11.0.0-M1, < 11.0.20; >= 8.5.30, < 9.0.116
    Fixed in
    11.0.209.0.11610.1.53· Vendor fix available
    Issue
    Occasional URL redirection to untrusted Site ('Open Redirect') vulnerability in Apache Tomcat via the LoadBalancerDrainingValve. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.1.0-M1 through 10.1.52, from 9.0.0.M23 through 9.0.115, from 8.5.30 through 8.5.100. Other, unsupported versions may also be affected Users are recommended to upgrade to version 11.0.20, 10.1.53 or 9.0.116, which fix the issue.

    Recommended action: Upgrade to 11.0.20, 10.1.53 or 9.0.116 by release line, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  20. High, CVSS 7.5MavenPublished

    Apache Tomcat has an HTTP Request/Response Smuggling vulnerability

    CVE-2026-24880 · GHSA-563x-q5rq-57qp

    Affected
    • Maven org.apache.tomcat.embed:tomcat-embed-core >= 7.0.0, < 9.0.116; >= 10.1.0-M1, < 10.1.52; >= 11.0.0-M1, <= 11.0.18
    Fixed in
    10.1.5211.0.209.0.116· Vendor fix available
    Issue
    Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') vulnerability in Apache Tomcat via invalid chunk extension. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.1.0-M1 through 10.1.52, from 9.0.0.M1 through 9.0.115, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other, unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.20, 10.1.52 or 9.0.116, which fix the issue.

    Recommended action: Upgrade to 11.0.20, 10.1.52 or 9.0.116 by release line, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  21. High, CVSS 7.5MavenPublished

    Apache Tomcat: Configured cipher preference order not preserved

    CVE-2026-29129 · GHSA-69cc-cv78-qc8g

    Affected
    • Maven org.apache.tomcat.embed:tomcat-embed-core >= 9.0.114, < 9.0.116; >= 10.1.51, < 10.1.53; >= 11.0.16, < 11.0.20
    Fixed in
    11.0.209.0.11610.1.53· Vendor fix available
    Issue
    Configured cipher preference order not preserved vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.16 through 11.0.18, from 10.1.51 through 10.1.52, from 9.0.114 through 9.0.115. Users are recommended to upgrade to version 11.0.20, 10.1.53 or 9.0.116, which fix the issue.

    Recommended action: Upgrade to 11.0.20, 10.1.53 or 9.0.116 by release line, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  22. High, CVSS 7.5MavenAmendedPublished

    Apache Tomcat has an Improper Input Validation vulnerability

    CVE-2026-24734 · GHSA-mgp5-rv84-w37q

    Affected
    • Maven org.apache.tomcat.embed:tomcat-embed-core >= 11.0.0-M1, < 11.0.18; >= 10.1.0-M7, < 10.1.52; >= 9.0.83, < 9.0.115
    Fixed in
    10.1.5211.0.189.0.115· Vendor fix available
    Issue
    Improper Input Validation vulnerability in Apache Tomcat Native, Apache Tomcat. When using an OCSP responder, Tomcat Native (and Tomcat's FFM port of the Tomcat Native code) did not complete verification or freshness checks on the OCSP response which could allow certificate revocation to be bypassed. This issue affects Apache Tomcat Native: from 1.3.0 through 1.3.4, from 2.0.0 through 2.0.11; Apache Tomcat: from 11.0.0-M1 through 11.0.17, from 10.1.0-M7 through 10.1.51, from 9.0.83 through 9.0.114. The following versions were EOL at the time the CVE was created but are known to be affected: from 1.1.23 through 1.1.34, from 1.2.0 through 1.2.39. Older EOL versions are not affected. Apache Tomcat Native users are recommended to upgrade to versions 1.3.5 or later or 2.0.12 or later, which fix the issue. Apache Tomcat users are recommended to upgrade to versions 11.0.18 or later, 10.1.52 or later or 9.0.115 or later which fix the issue.

    Recommended action: Upgrade to 11.0.18, 10.1.52 or 9.0.115 by release line, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.com (1)osv.dev (2)Source checked Evidence →
  23. Medium, CVSS 6.3MavenPublished

    Apache Tomcat - Client certificate verification bypass

    CVE-2025-66614 · GHSA-fpj8-gq4v-p354

    Affected
    • Maven org.apache.tomcat.embed:tomcat-embed-core >= 11.0.0-M1, < 11.0.15; >= 10.1.0-M1, < 10.1.50; >= 9.0.0-M1, < 9.0.113; >= 8.5.0, <= 8.5.100
    Fixed in
    11.0.159.0.11310.1.50· Partial vendor fix
    Issue
    Improper Input Validation vulnerability. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.14, from 10.1.0-M1 through 10.1.49, from 9.0.0-M1 through 9.0.112. The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.0 through 8.5.100. Older EOL versions are not affected. Tomcat did not validate that the host name provided via the SNI extension was the same as the host name provided in the HTTP host header field. If Tomcat was configured with more than one virtual host and the TLS configuration for one of those hosts did not require client certificate authentication but another one did, it was possible for a client to bypass the client certificate authentication by sending different host names in the SNI extension and the HTTP host header field. The vulnerability only applies if client certificate authentication is only enforced at the Connector. It does not apply if client certificate authentication is enforced at the web…

    Recommended action: Upgrade to 11.0.15, 10.1.50 or 9.0.113 by release line; some affected versions have no fix yet, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  24. Low, CVSS 2.1MavenPublished

    Apache Tomcat Vulnerable to Improper Neutralization of Escape, Meta, or Control Sequences

    CVE-2025-55754 · GHSA-vfww-5hm6-hx2j

    Affected
    • Maven org.apache.tomcat.embed:tomcat-embed-core >= 11.0.0-M1, < 11.0.11; >= 10.1.0-M1, < 10.1.45; >= 8.5.60, <= 8.5.100; >= 9.0.40, < 9.0.109
    Fixed in
    9.0.10911.0.1110.1.45· Partial vendor fix
    Issue
    Tomcat did not escape ANSI escape sequences in log messages. If Tomcat was running in a console on a Windows operating system, and the console supported ANSI escape sequences, it was possible for an attacker to use a specially crafted URL to inject ANSI escape sequences to manipulate the console and the clipboard and attempt to trick an administrator into running an attacker controlled command. While no attack vector was found, it may have been possible to mount this attack on other operating systems. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.10, from 10.1.0-M1 through 10.1.44, from 9.0.40 through 9.0.108. The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.60 though 8.5.100. Other, older, EOL versions may also be affected. Users are recommended to upgrade to version 11.0.11 or later, 10.1.45 or later or 9.0.109 or later, which fix the issue.

    Recommended action: Upgrade to 11.0.11, 10.1.45 or 9.0.109 by release line; some affected versions have no fix yet, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  25. Low, CVSS 2.3MavenPublished

    Apache Tomcat Vulnerable to Improper Resource Shutdown or Release

    CVE-2025-61795 · GHSA-hgrr-935x-pq79

    Affected
    • Maven org.apache.tomcat.embed:tomcat-embed-core >= 11.0.0-M1, < 11.0.12; >= 10.1.0-M1, < 10.1.47; >= 9.0.0.M1, < 9.0.110; >= 8.5.0, <= 8.5.100
    Fixed in
    11.0.1210.1.479.0.110· Partial vendor fix
    Issue
    If an error occurred (including exceeding limits) during the processing of a multipart upload, temporary copies of the uploaded parts written to disc were not cleaned up immediately but left for the garbage collection process to delete. Depending on JVM settings, application memory usage and application load, it was possible that space for the temporary copies of uploaded parts would be filled faster than GC cleared it, leading to a DoS. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.11, from 10.1.0-M1 through 10.1.46, from 9.0.0.M1 through 9.0.109. The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.0 though 8.5.100. Other, older, EOL versions may also be affected. Users are recommended to upgrade to version 11.0.12 or later, 10.1.47 or later or 9.0.110 or later which fixes the issue.

    Recommended action: Upgrade to 11.0.12, 10.1.47 or 9.0.110 by release line; some affected versions have no fix yet, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →