CVE-2025-55668

high

Published 2026-05-19 · Modified 2025-11-05

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CVSS v3

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CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CVSS v4 NEW

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not yet in upstream

VIR risk

8.0

Description

Session Fixation vulnerability in Apache Tomcat via rewrite valve. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.7, from 10.1.0-M1 through 10.1.41, from 9.0.0.M1 through 9.0.105. Older, EOL versions may also be affected. Users are recommended to upgrade to version 11.0.8, 10.1.42 or 9.0.106, which fix the issue.

Predictions

Exploit likelihood

30%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

SUSE Affected 1 release

Version	Status	Fixed in
—	Affected	—

Debian Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`10.1.52-1~deb13u1`
sid	Fixed	`10.1.46-1`
forky	Fixed	`10.1.46-1`
bullseye	Fixed	`9.0.70-2`
bookworm	Fixed	`10.1.52-1~deb12u1`

Red Hat Fixed 1 release

Version	Status	Fixed in
9	Fixed	—

Package impact

Ecosystem	Package	Vulnerable	Fixed
Maven	org.apache.tomcat:tomcat-catalina	`>=11.0.0-M1,<11.0.8`	`11.0.8`
Maven	org.apache.tomcat:tomcat-catalina	`>=10.1.0-M1,<10.1.42`	`10.1.42`
Maven	org.apache.tomcat:tomcat-catalina	`>=9.0.0.M1,<9.0.106`	`9.0.106`

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.