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roundcube/roundcubemail

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

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 Withdrawn advisories and news are excluded.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

  1. Medium, CVSS 5.3PackagistPublished

    Roundcube Webmail: Insufficient CSS sanitization in HTML e-mail messages

    CVE-2026-35544 · GHSA-xpqh-grpw-4xmg

    Affected
    • Packagist roundcube/roundcubemail >= 1.7-beta, < 1.7-rc5
    Fixed in
    1.7-rc5· Vendor fix available
    Issue
    An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Insufficient Cascading Style Sheets (CSS) sanitization in HTML e-mail messages may lead to a fixed-position mitigation bypass via the use of !important.

    Recommended action: Upgrade to 1.7-rc5 (pre-release) or later, 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 →
  2. Low, CVSS 3.7PackagistPublished

    Roundcube Webmail: Unsafe deserialization in the redis/memcache session handler

    CVE-2026-35537 · GHSA-rxj3-rrwm-pj4r

    Affected
    • Packagist roundcube/roundcubemail >= 1.7-beta, < 1.7-rc5
    Fixed in
    1.7-rc5· Vendor fix available
    Issue
    An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Unsafe deserialization in the redis/memcache session handler may lead to arbitrary file write operations by unauthenticated attackers via crafted session data.

    Recommended action: Upgrade to 1.7-rc5 (pre-release) or later, 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 →
  3. Medium, CVSS 6.1PackagistPublished

    Roundcube Webmail: Insufficient HTML attachment sanitization in preview mode

    CVE-2026-35539 · GHSA-x4q5-8j5g-hpjc

    Affected
    • Packagist roundcube/roundcubemail >= 1.7-beta, < 1.7-rc5
    Fixed in
    1.7-rc5· Vendor fix available
    Issue
    An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. XSS exists because of insufficient HTML attachment sanitization in preview mode. A victim must preview a text/html attachment.

    Recommended action: Upgrade to 1.7-rc5 (pre-release) or later, 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 →
  4. Medium, CVSS 5.3PackagistPublished

    Roundcube Webmail: Remote image blocking feature can be bypassed via SVG content in an e-mail message

    CVE-2026-35545 · GHSA-w846-74jr-76cv

    Affected
    • Packagist roundcube/roundcubemail >= 1.7-beta, < 1.7-rc5
    Fixed in
    1.7-rc5· Vendor fix available
    Issue
    An issue was discovered in Roundcube Webmail before 1.5.15 and 1.6.15. The remote image blocking feature can be bypassed via SVG content in an e-mail message. This may lead to information disclosure or access-control bypass. This involves the animate element with attributeName=fill/filter/stroke.

    Recommended action: Upgrade to 1.7-rc5 (pre-release) or later, 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 →
  5. Medium, CVSS 4.2PackagistPublished

    Roundcube Webmail: Incorrect password comparison in the password plugin

    CVE-2026-35541 · GHSA-46pv-mj2g-93gh

    Affected
    • Packagist roundcube/roundcubemail >= 1.7-beta, < 1.7-rc5
    Fixed in
    1.7-rc5· Vendor fix available
    Issue
    An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Incorrect password comparison in the password plugin could lead to type confusion that allows a password change without knowing the old password.

    Recommended action: Upgrade to 1.7-rc5 (pre-release) or later, 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. Medium, CVSS 5.3PackagistPublished

    Roundcube Webmail: Bypass of remote image blocking via SVG content (with animate attributes) in an e-mail message

    CVE-2026-35543 · GHSA-j2g6-8rvg-7mf6

    Affected
    • Packagist roundcube/roundcubemail >= 1.7-beta, < 1.7-rc5
    Fixed in
    1.7-rc5· Vendor fix available
    Issue
    An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. The remote image blocking feature can be bypassed via SVG content (with animate attributes) in an e-mail message. This may lead to information disclosure or access-control bypass.

    Recommended action: Upgrade to 1.7-rc5 (pre-release) or later, 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. Low, CVSS 3.1PackagistPublished

    Roundcube Webmail: Unsanitized IMAP SEARCH command arguments

    CVE-2026-35538 · GHSA-8jr8-v43g-5c57

    Affected
    • Packagist roundcube/roundcubemail >= 1.7-beta, < 1.7-rc5
    Fixed in
    1.7-rc5· Vendor fix available
    Issue
    An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Unsanitized IMAP SEARCH command arguments could lead to IMAP injection or CSRF bypass during mail search.

    Recommended action: Upgrade to 1.7-rc5 (pre-release) or later, 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 5.3PackagistPublished

    Roundcube: Bypass of remote image blocking via crafted BODY background attribute

    CVE-2026-35542 · GHSA-5hf6-crg4-fg59

    Affected
    • Packagist roundcube/roundcubemail >= 1.7-beta, < 1.7-rc5
    Fixed in
    1.7-rc5· Vendor fix available
    Issue
    An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. The remote image blocking feature can be bypassed via a crafted background attribute of a BODY element in an e-mail message. This may lead to information disclosure or access-control bypass.

    Recommended action: Upgrade to 1.7-rc5 (pre-release) or later, 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. Medium, CVSS 5.4PackagistPublished

    Roundcube Webmail: Insufficient CSS sanitization in HTML e-mail messages

    CVE-2026-35540 · GHSA-vxg2-hhgr-37fx

    Affected
    • Packagist roundcube/roundcubemail >= 1.7-beta, < 1.7-rc5
    Fixed in
    1.7-rc5· Vendor fix available
    Issue
    An issue was discovered in Roundcube Webmail 1.6.0 before 1.6.14. Insufficient Cascading Style Sheets (CSS) sanitization in HTML e-mail messages may lead to SSRF or Information Disclosure, e.g., if stylesheet links point to local network hosts.

    Recommended action: Upgrade to 1.7-rc5 (pre-release) or later, 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. Critical, CVSS 9.9Exploited · CISA KEVPackagistPublished

    Roundcube Webmail Vulnerable to Authenticated RCE via PHP Object Deserialization

    CVE-2025-49113 · GHSA-8j8w-wwqc-x596

    Affected
    • Packagist roundcube/roundcubemail < 1.5.10; >= 1.6.0, < 1.6.11
    Fixed in
    1.5.101.6.11· Vendor fix available
    Issue
    Roundcube Webmail before 1.5.10 and 1.6.x before 1.6.11 allows remote code execution by authenticated users because the from parameter in a URL is not validated in program/actions/settings/upload.php, leading to PHP Object Deserialization.

    Recommended action: Upgrade to 1.6.11 or 1.5.10 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)cisa.gov (2)Source checked Evidence →