CVE-2025-55668 - CVE House

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Status published Unknown CVE-2025-55668

Apache Tomcat: session fixation via rewrite valve

0 CVSS

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Greg K (https://github.com/gregk4sec)

References

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

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Affected Vendor

Apache Software Foundation

View all reports →

Affected Software

Apache Tomcat

Vulnerable Versions:

11.0.0-M1, 10.1.0-M1, 9.0.0.M1, 8, 10.0.0-M1

Timeline

Official Publish: August 13th, 2025

Last Modified: November 4th, 2025

Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1189 Drive-by Compromise

T1078 Valid Accounts

T1539 Steal Web Session Cookie

Credential Access