High [CVE-2026-24880] Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') vulnerability in Apache Tomcat
This high-severity Apache Software Foundation advisory covers CVE-2026-24880 affecting Apache Tomcat, Tomcat.
Android app · Google Play
Monitor future Apache Software Foundation CVEs from your phone.
Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 32 official vendor sources and 160+ reviewed platform categories.
Summary
Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') vulnerability in Apache Tomcat via invalid chunk extension.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.1.0-M1 through 10.1.52, from 9.0.0.M1 through 9.0.115, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other, unsupported versions may also be affected.
Users are recommended to upgrade to version 11.0.20, 10.1.52 or 9.0.116, which fix the issue.
- 11.0.0-M1 through 11.0.18
- 10.1.0-M1 through 10.1.52
- 9.0.0.M1 through 9.0.115
- 8.5.0 through 8.5.100
- 7.0.0 through 7.0.109.
- through 7.0.109
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- 11.0.20
- 10.1.52
- 9.0.116
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation
Upgrade to a fixed release: 11.0.20, 10.1.52, 9.0.116. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Discussion(0)
No comments yet. Share field notes, upgrade gotchas, or questions — verify against the vendor advisory before acting on community advice.
Sign in to join the discussion.