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CVE record · CVE-2026-59878

Apache ActiveMQ AMQP, Apache ActiveMQ, Apache ActiveMQ All: AMQP NIO negative frame size validation bypass leading to DoS

CVSS 7.5 HighEPSS 0.0078 · 56th percentile

Published by the CVE Program (CNA: apache) at 28 Jul 2026, 13:33 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Apache Software Foundation Apache ActiveMQ AMQP Package name: org.apache.activemq:activemq-amqp https://repo.maven.apache.org/maven2
  • affected before 5.19.9 semver
  • affected 6.0.0 to before 6.2.8 semver
Other versions: unaffected
Apache Software Foundation Apache ActiveMQ Package name: org.apache.activemq:apache-activemq https://repo.maven.apache.org/maven2
  • affected before 5.19.9 semver
  • affected 6.0.0 to before 6.2.8 semver
Other versions: unaffected
Apache Software Foundation Apache ActiveMQ All Package name: org.apache.activemq:activemq-all https://repo.maven.apache.org/maven2
  • affected before 5.19.9 semver
  • affected 6.0.0 to before 6.2.8 semver
Other versions: unaffected
Identifiers
CVE-2026-59878
CNA
apache
Weakness (CWE)
CWE-20
Tags
Published
28 Jul 2026
Updated
28 Jul 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.5 High 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H ADP (CISA-ADP)
  • CISA KEV Not listed.
  • EPSS 0.0078, the 56th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 28 Jul 2026. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.