Vulnerability in activemq (CVE-2026-49877)
Summary
Vulnerability in activemq (CVE-2026-49877). Confidential information can be exposed externally. Mitigation: upgrade to 5.19.8, 6.2.7 or later.
Original description
The description as published by the source.
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.
Source: GitHub Security Advisories (Global) NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2026-49877 has been found in activemq.
Confidential information can be exposed externally. CVSS score: 8.1/10.
What to do: upgrade activemq to 5.19.8, 6.2.7 or later.
If unsure, ask your IT team or search "activemq CVE-2026-49877" on the vendor's site.
CVE-2026-49877 (activemq) — CWE-285 / CVSS v3 8.1
Attack vector: remote (network-reachable) / no user interaction
Patched: 5.19.8, 6.2.7 — apply immediately
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
A vulnerability (CWE-285) exists in activemq.
Check the vendor advisory for the affected versions of activemq.
Severity: High (CVSS 8.1/10). Confidential information can be exposed externally.
Update to 5.19.8, 6.2.7.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run grep -r 'activemq' . against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
grep -r 'activemq' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で
activemqを grep し、稼働しているサービス・バージョンを把握する。 -
2Apply patch patch
Upgrade activemq to 5.19.8, 6.2.7ステージング環境で 5.19.8, 6.2.7 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスを含めること。
-
3Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
Affected packages
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Debian DEBIAN-CVE-2026-49877 activemq
- Ubuntu UBUNTU-CVE-2026-49877 activemq
References
- advisory lists.apache.org
- advisory openwall.com
- web nvd.nist.gov
- web github.com