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CVE-2026-33227

Improper validation and restriction of a classpath path name vulnerability in Apache ActiveMQ Client, Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ Web, Apache ActiveMQ. In two instances (when creating a Stomp consumer and also browsing messages in the Web console) an authenticated user provided "key" value could be constructed to traverse the classpath due to path concatenation. As a result, the application is exposed to a classpath path resource loading vulnerability that
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:e77f74c453857f9c3f18ec0d20697a17b53179660646cd16106e939e70899a7a
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 5 assertions

{"collectionURL":"https://repo.maven.apache.org/maven2","defaultStatus":"unaffected","packageName":"org.apache.activemq:apache-activemq","product":"Apache ActiveMQ","vendor":"Apache Software Foundation","versions":[{"lessThan":"5.19.3","status":"affected","version":"0","versionType":"semver"},{"lessThan":"6.2.2","status":"affected","version":"6.0.0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5f9a03f49128dc1d0c766cfdab453564cc8124f313ab8f39825a012d5b93ec83 · sha256:25dcb29d47a7ce12… · /containers/cna/affected/4

{"collectionURL":"https://repo.maven.apache.org/maven2","defaultStatus":"unaffected","packageName":"org.apache.activemq:activemq-client","product":"Apache ActiveMQ Client","vendor":"Apache Software Foundation","versions":[{"lessThan":"5.19.3","status":"affected","version":"0","versionType":"semver"},{"lessThan":"6.2.2","status":"affected","version":"6.0.0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5f9a03f49128dc1d0c766cfdab453564cc8124f313ab8f39825a012d5b93ec83 · sha256:25dcb29d47a7ce12… · /containers/cna/affected/0

{"collectionURL":"https://repo.maven.apache.org/maven2","defaultStatus":"unaffected","packageName":"org.apache.activemq:activemq-web","product":"Apache ActiveMQ Web","vendor":"Apache Software Foundation","versions":[{"lessThan":"5.19.3","status":"affected","version":"0","versionType":"semver"},{"lessThan":"6.2.2","status":"affected","version":"6.0.0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5f9a03f49128dc1d0c766cfdab453564cc8124f313ab8f39825a012d5b93ec83 · sha256:25dcb29d47a7ce12… · /containers/cna/affected/3

{"collectionURL":"https://repo.maven.apache.org/maven2","defaultStatus":"unaffected","packageName":"org.apache.activemq:activemq-all","product":"Apache ActiveMQ All","vendor":"Apache Software Foundation","versions":[{"lessThan":"5.19.3","status":"affected","version":"0","versionType":"semver"},{"lessThan":"6.2.2","status":"affected","version":"6.0.0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5f9a03f49128dc1d0c766cfdab453564cc8124f313ab8f39825a012d5b93ec83 · sha256:25dcb29d47a7ce12… · /containers/cna/affected/2

{"collectionURL":"https://repo.maven.apache.org/maven2","defaultStatus":"unaffected","packageName":"org.apache.activemq:activemq-broker","product":"Apache ActiveMQ Broker","vendor":"Apache Software Foundation","versions":[{"lessThan":"5.19.3","status":"affected","version":"0","versionType":"semver"},{"lessThan":"6.2.2","status":"affected","version":"6.0.0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5f9a03f49128dc1d0c766cfdab453564cc8124f313ab8f39825a012d5b93ec83 · sha256:25dcb29d47a7ce12… · /containers/cna/affected/1

Affected products and versions

5 source assertions
{"collectionURL":"https://repo.maven.apache.org/maven2","defaultStatus":"unaffected","packageName":"org.apache.activemq:apache-activemq","product":"Apache ActiveMQ","vendor":"Apache Software Foundation","versions":[{"lessThan":"5.19.3","status":"affected","version":"0","versionType":"semver"},{"lessThan":"6.2.2","status":"affected","version":"6.0.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5f9a03f49128dc1d0c766cfdab453564cc8124f313ab8f39825a012d5b93ec83 · sha256:25dcb29d47a7ce12… · /containers/cna/affected/4
{"collectionURL":"https://repo.maven.apache.org/maven2","defaultStatus":"unaffected","packageName":"org.apache.activemq:activemq-client","product":"Apache ActiveMQ Client","vendor":"Apache Software Foundation","versions":[{"lessThan":"5.19.3","status":"affected","version":"0","versionType":"semver"},{"lessThan":"6.2.2","status":"affected","version":"6.0.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5f9a03f49128dc1d0c766cfdab453564cc8124f313ab8f39825a012d5b93ec83 · sha256:25dcb29d47a7ce12… · /containers/cna/affected/0
{"collectionURL":"https://repo.maven.apache.org/maven2","defaultStatus":"unaffected","packageName":"org.apache.activemq:activemq-web","product":"Apache ActiveMQ Web","vendor":"Apache Software Foundation","versions":[{"lessThan":"5.19.3","status":"affected","version":"0","versionType":"semver"},{"lessThan":"6.2.2","status":"affected","version":"6.0.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5f9a03f49128dc1d0c766cfdab453564cc8124f313ab8f39825a012d5b93ec83 · sha256:25dcb29d47a7ce12… · /containers/cna/affected/3
{"collectionURL":"https://repo.maven.apache.org/maven2","defaultStatus":"unaffected","packageName":"org.apache.activemq:activemq-all","product":"Apache ActiveMQ All","vendor":"Apache Software Foundation","versions":[{"lessThan":"5.19.3","status":"affected","version":"0","versionType":"semver"},{"lessThan":"6.2.2","status":"affected","version":"6.0.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5f9a03f49128dc1d0c766cfdab453564cc8124f313ab8f39825a012d5b93ec83 · sha256:25dcb29d47a7ce12… · /containers/cna/affected/2
{"collectionURL":"https://repo.maven.apache.org/maven2","defaultStatus":"unaffected","packageName":"org.apache.activemq:activemq-broker","product":"Apache ActiveMQ Broker","vendor":"Apache Software Foundation","versions":[{"lessThan":"5.19.3","status":"affected","version":"0","versionType":"semver"},{"lessThan":"6.2.2","status":"affected","version":"6.0.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5f9a03f49128dc1d0c766cfdab453564cc8124f313ab8f39825a012d5b93ec83 · sha256:25dcb29d47a7ce12… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:5f9a03f49128dc1d0c766cfdab453564cc8124f313ab8f39825a012d5b93ec83 · sha256:25dcb29d47a7ce12… · /containers/adp/1/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-22","description":"CWE-22 Improper input validation for resource loading","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5f9a03f49128dc1d0c766cfdab453564cc8124f313ab8f39825a012d5b93ec83 · sha256:25dcb29d47a7ce12… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"url":"http://www.openwall.com/lists/oss-security/2026/04/06/4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5f9a03f49128dc1d0c766cfdab453564cc8124f313ab8f39825a012d5b93ec83 · sha256:25dcb29d47a7ce12… · /containers/adp/0/references/0
{"tags":["vendor-advisory"],"url":"https://activemq.apache.org/security-advisories.data/CVE-2026-33227-announcement.txt"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5f9a03f49128dc1d0c766cfdab453564cc8124f313ab8f39825a012d5b93ec83 · sha256:25dcb29d47a7ce12… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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