CVE-2025-55668

Published: Aug 13, 2025Modified: Jun 17, 2026

6.5

Vector

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

Exploitability: 2.8 / Impact: 3.6

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

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.

Affected (30)

Products: Apache: Tomcat

Apache

1 product

Tomcat

Configuration A

30 vulnerable

Vulnerable Software	Affected Versions
Apache Tomcat	From 10.0.0 to 10.1.42
Apache Tomcat	From 11.0.0 to 11.0.8
Apache Tomcat	From 9.0.1 to 9.0.106
Apache Tomcat	Version 9.0.0 milestone10
Apache Tomcat	Version 9.0.0 milestone11
Apache Tomcat	Version 9.0.0 milestone12
Apache Tomcat	Version 9.0.0 milestone13
Apache Tomcat	Version 9.0.0 milestone14
Apache Tomcat	Version 9.0.0 milestone15
Apache Tomcat	Version 9.0.0 milestone16
Apache Tomcat	Version 9.0.0 milestone17
Apache Tomcat	Version 9.0.0 milestone18
Apache Tomcat	Version 9.0.0 milestone19
Apache Tomcat	Version 9.0.0 milestone1
Apache Tomcat	Version 9.0.0 milestone20
Apache Tomcat	Version 9.0.0 milestone21
Apache Tomcat	Version 9.0.0 milestone22
Apache Tomcat	Version 9.0.0 milestone23
Apache Tomcat	Version 9.0.0 milestone24
Apache Tomcat	Version 9.0.0 milestone25
Apache Tomcat	Version 9.0.0 milestone26
Apache Tomcat	Version 9.0.0 milestone27
Apache Tomcat	Version 9.0.0 milestone2
Apache Tomcat	Version 9.0.0 milestone3
Apache Tomcat	Version 9.0.0 milestone4
Apache Tomcat	Version 9.0.0 milestone5
Apache Tomcat	Version 9.0.0 milestone6
Apache Tomcat	Version 9.0.0 milestone7
Apache Tomcat	Version 9.0.0 milestone8
Apache Tomcat	Version 9.0.0 milestone9

Related CWEs

CWE-384

Session Fixation

Authenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions.

References (2)

https://lists.apache.org/thread/v6bknr96rl7l1qxkl1c03v0qdvbbqs47

Source: security@apache.org

Mailing ListVendor Advisory

http://www.openwall.com/lists/oss-security/2025/08/13/3

Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.