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High, CVSS 8.1amended

Apache ActiveMQ Improper Authorization vulnerability

CVE-2026-49877GHSA-f892-4h9f-j7g9

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (org.apache.activemq:apache-activemq 6.2.7, 5.19.8; activemq 6.2.7, 5.19.8), redeploy, then verify what is actually installed.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
8.1 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
EPSS
  • CVE-2026-49877: 0.51% estimated exploitation activity in the next 30 days; percentile 43.90 (FIRST EPSS, 2026-11-04). This is a model estimate, not proof of exploitation or customer exposure.
Source description

As published by the source; long descriptions are shortened.

Improper Authorization vulnerability in Apache ActiveMQ. An authenticated low-privilege Web Console user by default can access /admin/* paths in the Web Console. The default Jetty settings incorrectly did not limit those paths to only admins. This issue affects Apache ActiveMQ: before 5.19.8, from 6.0.0 before 6.2.7. Users are recommended to upgrade to version 6.2.7 or 5.19.8, which fixes the issue.

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 3 · amended ·

    Amended from osv record BIT-activemq-2026-49877

  2. Revision 2 · amended ·

    Amended from osv record GHSA-f892-4h9f-j7g9

  3. Revision 1 · created ·

    Published from ghsa record GHSA-f892-4h9f-j7g9

Agent brief

Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.

# Patch Next advisory brief: CVE-2026-49877

Advisory: Apache ActiveMQ Improper Authorization vulnerability
IDs: CVE-2026-49877, GHSA-f892-4h9f-j7g9
Record: https://patchnext.com/advisories/cve-2026-49877 (revision 3, source checked 5 Nov 2026, 06:40 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: High (CVSS 8.1)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: org.apache.activemq:apache-activemq 6.2.7, 5.19.8; activemq 6.2.7, 5.19.8. A vendor fix does not mean a deployment is fixed.

## Affected components
- Maven org.apache.activemq:apache-activemq: affected < 5.19.8; >= 6.0.0, < 6.2.7; fixed in 5.19.8, 6.2.7
- Bitnami activemq: affected < 5.19.8; >= 6.0.0, < 6.2.7; fixed in 5.19.8, 6.2.7

## Suggested inspection (read-only)
- Maven org.apache.activemq:apache-activemq: check the installed version with your package manager.
- Bitnami activemq: check the installed version with your package manager.

## Supported action
Upgrade each affected component to a fixed version on its release line. For a transitive dependency, upgrade the parent package or add an override or constraint, then regenerate the lockfile. Redeploy every environment that ran an affected version.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on org.apache.activemq:apache-activemq, activemq.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://github.com/advisories/GHSA-f892-4h9f-j7g9 (GitHub-reviewed advisory GHSA-f892-4h9f-j7g9 lists affected ranges: Maven org.apache.activemq:apache-activemq >=0 =6.0.0 <6.2.7)
- Verified: https://osv.dev/vulnerability/BIT-activemq-2026-49877 (OSV record BIT-activemq-2026-49877 lists affected ranges: Bitnami activemq >=0 =6.0.0 <6.2.7 (fixed))
- Verified: https://osv.dev/vulnerability/GHSA-f892-4h9f-j7g9 (OSV record GHSA-f892-4h9f-j7g9 lists affected ranges: Maven org.apache.activemq:apache-activemq >=0 =6.0.0 <6.2.7 (fixed))

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