CVE-2026-34500GHSA-24J9-X2WG-9QV6BIT-TOMCAT-2026-34500
Apache Tomcat: OCSP checks sometimes soft-fail with FFM even when soft-fail is disabled
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 9.0.117, 10.1.54, 11.0.21
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: no
- Technical impact: partial
Summary
CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled and FFM is used in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M14 through 11.0.20, from 10.1.22 through 10.1.53, from 9.0.92 through 9.0.116. Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fixes the issue.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- Apache Software Foundation Apache Tomcat
From 11.0.0-M14 · through 11.0.20; From 10.1.22 · through 10.1.53; From 9.0.92 · through 9.0.116
- org.apache.tomcat:tomcat-coyote-ffmMaven
From 9.0.92 · fixed in 9.0.117
- org.apache.tomcat:tomcat-coyote-ffmMaven
From 10.1.22 · fixed in 10.1.54
- org.apache.tomcat:tomcat-coyote-ffmMaven
From 11.0.0-M14 · fixed in 11.0.21