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CVE-2026-59878

Improper Input Validation vulnerability in Apache ActiveMQ AMQP, Apache ActiveMQ, Apache ActiveMQ All. A remote unauthenticated peer that can reach an exposed AMQP NIO connector can trigger denial-of-service behavior by sending a frame size value. This cause the NIO threads to die and if done rapidly enough can lead to exhaustion of the NIO thread pool denying service to other connections. This issue affects Apache ActiveMQ AMQP: before 5.19.9, from 6.0.0 before 6.2.8; Apache ActiveMQ: before 5
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:dc75bb726effc80b65bbf780698b1b65703b785ef82e1c776b5a92563bf45f28
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 3 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":"5.19.9","status":"affected","version":"0","versionType":"semver"},{"lessThan":"6.2.8","status":"affected","version":"6.0.0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:bf1f4a1315c0cf1826e2e29438b92e08726afb952236806e1989e1ef8dfd318c · sha256:2ab39bc82245ecff… · /containers/cna/affected/1

{"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":"5.19.9","status":"affected","version":"0","versionType":"semver"},{"lessThan":"6.2.8","status":"affected","version":"6.0.0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:bf1f4a1315c0cf1826e2e29438b92e08726afb952236806e1989e1ef8dfd318c · sha256:2ab39bc82245ecff… · /containers/cna/affected/2

{"collectionURL":"https://repo.maven.apache.org/maven2","defaultStatus":"unaffected","packageName":"org.apache.activemq:activemq-amqp","product":"Apache ActiveMQ AMQP","vendor":"Apache Software Foundation","versions":[{"lessThan":"5.19.9","status":"affected","version":"0","versionType":"semver"},{"lessThan":"6.2.8","status":"affected","version":"6.0.0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:bf1f4a1315c0cf1826e2e29438b92e08726afb952236806e1989e1ef8dfd318c · sha256:2ab39bc82245ecff… · /containers/cna/affected/0

Affected products and versions

3 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":"5.19.9","status":"affected","version":"0","versionType":"semver"},{"lessThan":"6.2.8","status":"affected","version":"6.0.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:bf1f4a1315c0cf1826e2e29438b92e08726afb952236806e1989e1ef8dfd318c · sha256:2ab39bc82245ecff… · /containers/cna/affected/1
{"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":"5.19.9","status":"affected","version":"0","versionType":"semver"},{"lessThan":"6.2.8","status":"affected","version":"6.0.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:bf1f4a1315c0cf1826e2e29438b92e08726afb952236806e1989e1ef8dfd318c · sha256:2ab39bc82245ecff… · /containers/cna/affected/2
{"collectionURL":"https://repo.maven.apache.org/maven2","defaultStatus":"unaffected","packageName":"org.apache.activemq:activemq-amqp","product":"Apache ActiveMQ AMQP","vendor":"Apache Software Foundation","versions":[{"lessThan":"5.19.9","status":"affected","version":"0","versionType":"semver"},{"lessThan":"6.2.8","status":"affected","version":"6.0.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:bf1f4a1315c0cf1826e2e29438b92e08726afb952236806e1989e1ef8dfd318c · sha256:2ab39bc82245ecff… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:bf1f4a1315c0cf1826e2e29438b92e08726afb952236806e1989e1ef8dfd318c · sha256:2ab39bc82245ecff… · /containers/adp/1/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-20","description":"CWE-20 Improper Input Validation","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:bf1f4a1315c0cf1826e2e29438b92e08726afb952236806e1989e1ef8dfd318c · sha256:2ab39bc82245ecff… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"url":"http://www.openwall.com/lists/oss-security/2026/07/27/7"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bf1f4a1315c0cf1826e2e29438b92e08726afb952236806e1989e1ef8dfd318c · sha256:2ab39bc82245ecff… · /containers/adp/0/references/0
{"tags":["vendor-advisory"],"url":"https://lists.apache.org/thread/dnyx4d2oldshcj4lthso7b53y4bqmjvn"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bf1f4a1315c0cf1826e2e29438b92e08726afb952236806e1989e1ef8dfd318c · sha256:2ab39bc82245ecff… · /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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