Session Fixation Affecting tomcat-webapps package, versions <1:9.0.117-1.el9_8


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.78% (51st percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-ORACLE9-TOMCATWEBAPPS-17675503
  • published29 Jun 2026
  • disclosed13 Aug 2025

Introduced: 13 Aug 2025

CVE-2025-55668  (opens in a new tab)
CWE-384  (opens in a new tab)

How to fix?

Upgrade Oracle:9 tomcat-webapps to version 1:9.0.117-1.el9_8 or higher.
This issue was patched in ELSA-2026-18916.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tomcat-webapps package and not the tomcat-webapps package as distributed by Oracle. See How to fix? for Oracle:9 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1