# Apache Tomcat: Tomcat Path Equivalence Vulnerability · pwn.watch

> Apache Tomcat contains a path equivalence vulnerability that allows a remote attacker to execute code, disclose information, or inject malicious content via a partial PUT request. This vulnerability can be chained with CVE‑2026‑34486. Added to CISA KEV on 2025-04-01.

Page: https://pwn.watch/i/apache-tomcat-cve-2025-24813 · generated 2026-10-23T03:01:01.167Z

## Status
- Severity: critical · status: closed · patch: patched
- Product: Apache Tomcat
- Started: 2025-04-01 · closed: 2025-04-01
- CVEs: CVE-2025-24813
- Affected: See vendor advisory / CISA notes (versions not always listed in KEV feed)
- Fixed in: See vendor advisory linked in sources

## Follow this incident
- RSS (one item per update): https://pwn.watch/i/apache-tomcat-cve-2025-24813/feed.xml
- JSON Feed: https://pwn.watch/i/apache-tomcat-cve-2025-24813/feed.json
- Full data (timeline, sources, posts, agentBrief): https://pwn.watch/i/apache-tomcat-cve-2025-24813.json
- This file: https://pwn.watch/i/apache-tomcat-cve-2025-24813/llms.txt

## Updates (newest first)
- 2025-04-01: CISA added CVE-2025-24813 to the KEV catalog (due 2025-04-22).

## Fix brief
# Security brief: Apache Tomcat: Tomcat Path Equivalence Vulnerability

Source: https://pwn.watch/i/apache-tomcat-cve-2025-24813 · status: closed (closed Apr 1, 2025) · severity: critical · updated Apr 1, 2025

## Patch status
**PATCHED: fixed releases exist. Upgrade to a fixed version.**

## What it is
Apache Tomcat contains a path equivalence vulnerability that allows a remote attacker to execute code, disclose information, or inject malicious content via a partial PUT request. This vulnerability can be chained with CVE‑2026‑34486. Added to CISA KEV on 2025-04-01.

Severity detail: CVSS 10.0 (CISA ADP, v3.1); actively exploited (CISA KEV)

- Product: Apache Tomcat
- CVE / advisory ids: CVE-2025-24813

## Affected versions
- See vendor advisory / CISA notes (versions not always listed in KEV feed)

## Check whether you're affected
No generic command applies (the product is a hosted service, appliance or desktop app). Check the installed version in its admin UI / About screen and compare with the versions above.

## Fix
Upgrade to one of these fixed versions (or later on the same branch):
- See vendor advisory linked in sources

After upgrading, re-run the checks above and redeploy/restart the affected services.

## Latest updates
- Apr 1, 2025: CISA added CVE-2025-24813 to the KEV catalog (due 2025-04-22).

## Advisories
- [Apache advisory: Apache Tomcat](https://lists.apache.org/thread/j5fkjv2k477os90nczf2v9l61fb0kkgq) (Apache)
- [NVD: CVE-2025-24813](https://nvd.nist.gov/vuln/detail/CVE-2025-24813) (NVD)
- [CISA Known Exploited Vulnerabilities Catalog](https://www.cisa.gov/known-exploited-vulnerabilities-catalog) (CISA)

## Caveats
Derived from CISA KEV JSON feed catalogVersion 2026.10.21. CVSS from the CVE record (cvelistV5). Exact affected/fixed version strings are not always in the KEV record; verify against the vendor advisory URL. startedAt uses dateAdded (exploitation may have begun earlier; many entries are older CVEs newly confirmed as exploited in 2025).

---
Machine-readable: https://pwn.watch/i/apache-tomcat-cve-2025-24813.json · all incidents: https://pwn.watch/incidents.json. Verify against the vendor advisory before changing production systems.