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Advisory record · GHSA-wmwf-9ccg-fff5

Apache Tomcat Vulnerable to Relative Path Traversal

CVSS 7.5 HighCriticalEPSS 0.64 · 99th percentile

Critical, because:

  • CVSS score 7.5 (7.0 or more) and EPSS 0.64 (0.1 or more): a high score and a real chance of exploitation in the next 30 days.

How we decide what’s critical

Published by the GitHub Advisory Database at 27 Oct 2025, 18:31 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
org.apache.tomcat:tomcatMaven>=11.0.0-M1, <11.0.11 || >=10.1.0-M1, <10.1.45 || >=9.0.0-M11, <9.0.109 || >=8.5.6, <=8.5.10011.0.11, 10.1.45, 9.0.109
org.apache.tomcat:tomcat-catalinaMaven>=11.0.0-M1, <11.0.11 || >=10.1.0-M1, <10.1.45 || >=9.0.0-M11, <9.0.109 || >=8.5.6, <=8.5.10011.0.11, 10.1.45, 9.0.109
org.apache.tomcat.embed:tomcat-embed-coreMaven>=11.0.0-M1, <11.0.11 || >=10.1.0-M1, <10.1.45 || >=9.0.0-M11, <9.0.109 || >=8.5.6, <=8.5.10011.0.11, 10.1.45, 9.0.109
Identifiers
GHSA-wmwf-9ccg-fff5 · BIT-tomcat-2025-55752 · CVE-2025-55752
Weakness (CWE)
CWE-23
Tags
Published
27 Oct 2025
Updated
10 Sept 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Apache Tomcat (org.apache.tomcat:tomcat, tomcat-catalina, and tomcat-embed-core) versions 11.0.0-M1 through 11.0.10, 10.1.0-M1 through 10.1.44, 9.0.0.M11 through 9.0.108, and 8.5.6 through 8.5.100 are affected. When rewrite rules that rewrite query parameters into the URL are used, an attacker can manipulate the request URI to bypass security constraints for /WEB-INF/ and /META-INF/. If PUT requests are also enabled, this can lead to remote code execution. Upgrade to 11.0.11, 10.1.45, or 9.0.109 or later.

Written 2 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.5 High 3.1 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H GitHub Advisory Database
  • CISA KEV Not listed.
  • EPSS 0.64, the 99th percentile, on 12 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:17 UTC First seen by agentprime
  2. 31 Oct 2026, 14:17 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.