CVE-2026-65182

NameCVE-2026-65182
DescriptionImproper Access Control, Incorrect Authorization vulnerability in Apache Tomcat leads to security constraint bypass if a constraint for a longer path is specified before a more restrictive constraint for a shorter sub-path. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.0.M1 through 9.0.120, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Users are recommended to upgrade to version 11.0.25, 10.1.58, 9.0.121, which fixes the issue.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
tomcat10 (PTS)bookworm, bookworm (security)10.1.55-1~deb12u1vulnerable
trixie (security), trixie10.1.55-1~deb13u1vulnerable
forky, sid10.1.55-1vulnerable
tomcat11 (PTS)trixie (security), trixie11.0.22-1~deb13u1vulnerable
forky, sid11.0.24-1vulnerable
tomcat9 (PTS)bullseye9.0.43-2~deb11u10vulnerable
bullseye (security)9.0.118-0+deb11u1fixed
bookworm9.0.70-2fixed
trixie9.0.95-1fixed
forky, sid9.0.118-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
tomcat10source(unstable)(unfixed)
tomcat11source(unstable)(unfixed)
tomcat9source(unstable)9.0.70-2

Notes

Starting with 9.0.70-2 src:tomcat9 no longer ships the server stack, using that as the fixed version
https://github.com/apache/tomcat/commit/8bafd79a3b54684e80e9cb1bafd4746aede7d3f5 (11.0.25)
https://github.com/apache/tomcat/commit/b79752d2a8578d94743e2a95c50af297f780c0df (10.1.58)
https://github.com/apache/tomcat/commit/b2c56ec8f20c66773a1a813034ffcdb60841f1cf (9.0.121)

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