medium6.5
CVE-2025-55668
Apache Tomcat Session Fixation vulnerability
Impact
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 packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| maven | org.apache.tomcat:tomcat-catalina | >= 11.0.0-M1, < 11.0.8 | 11.0.8 |
| maven | org.apache.tomcat.embed:tomcat-embed-core | >= 11.0.0-M1, < 11.0.8 | 11.0.8 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Apache | Tomcat | from 9.0.1 before 9.0.106 from 10.0.0 before 10.1.42 from 11.0.0 before 11.0.8 Version 9.0.0 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://lists.apache.org/thread/v6bknr96rl7l1qxkl1c03v0qdvbbqs47
- http://www.openwall.com/lists/oss-security/2025/08/13/3
- https://github.com/advisories/GHSA-23hv-mwm6-g8jf
- https://nvd.nist.gov/vuln/detail/CVE-2025-55668
- https://github.com/apache/tomcat/commit/8621e4c6ba2c916a41eb34cb0f781171ead33fb6
- https://github.com/apache/tomcat/commit/90306d971bb8b8393336d893644124fb2ca11d21
- https://github.com/apache/tomcat/commit/9c3673ba04009377cb0c81ccb6cf5078aec1aa95
- https://tomcat.apache.org/security-10.html
- https://tomcat.apache.org/security-11.html
- https://tomcat.apache.org/security-9.html