CVE-2025-55668
Apache Tomcat: session fixation via rewrite valve
6.5
MEDIUM
CVSS 3.1
EPSS 0.78%
Description
Session Fixation vulnerability in Apache Tomcat via rewrite valve. This issue affects Apache Tomcat: from 11.0.0 through 11.0.7, from 10.1.0 through 10.1.41, from 9.0.0 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.
How to fix CVE-2025-55668
To remediate CVE-2025-55668, upgrade the affected package to a fixed version below.
- —upgrade to 11.0.8 or later
- —upgrade to 11.0.8 or later
Is CVE-2025-55668 being exploited?
Low — EPSS is 0.8%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- >= 11.0.0-M1, < 11.0.8
- >= 11.0.0-M1, < 11.0.8
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |