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CVE-2026-24734GHSA-MGP5-RV84-W37QBIT-TOMCAT-2026-24734

Apache Tomcat Native, Apache Tomcat: OCSP revocation bypass

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 11.0.18, 10.1.52, 9.0.115
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

Improper Input Validation vulnerability in Apache Tomcat Native, Apache Tomcat. When using an OCSP responder, Tomcat Native (and Tomcat's FFM port of the Tomcat Native code) did not complete verification or freshness checks on the OCSP response which could allow certificate revocation to be bypassed. This issue affects Apache Tomcat Native:  from 1.3.0 through 1.3.4, from 2.0.0 through 2.0.11; Apache Tomcat: from 11.0.0-M1 through 11.0.17, from 10.1.0-M7 through 10.1.51, from 9.0.83 through 9.0.114. The following versions were EOL at the time the CVE was created but are known to be affected: from 1.1.23 through 1.1.34, from 1.2.0 through 1.2.39. Older EOL versions are not affected. Apache Tomcat Native users are recommended to upgrade to versions 1.3.5 or later or 2.0.12 or later, which fix the issue. Apache Tomcat users are recommended to upgrade to versions 11.0.18 or later, 10.1.52 or later or 9.0.115 or later which fix the issue.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • Apache Software Foundation Apache Tomcat Native

    From 1.1.23 · through 1.1.34; From 1.2.0 · through 1.2.39; From 1.3.0 · through 1.3.4; From 2.0.0 · through 2.0.11

  • Apache Software Foundation Apache Tomcat

    From 11.0.0-M1 · through 11.0.17; From 10.1.0-M7 · through 10.1.51; From 9.0.83 · through 9.0.114

  • org.apache.tomcat:tomcat-coyoteMaven

    From 11.0.0-M1 · fixed in 11.0.18

  • org.apache.tomcat:tomcat-coyoteMaven

    From 10.1.0-M7 · fixed in 10.1.52

  • org.apache.tomcat:tomcat-coyoteMaven

    From 9.0.83 · fixed in 9.0.115

  • org.apache.tomcat.embed:tomcat-embed-coreMaven

    From 11.0.0-M1 · fixed in 11.0.18

  • org.apache.tomcat.embed:tomcat-embed-coreMaven

    From 10.1.0-M7 · fixed in 10.1.52

  • org.apache.tomcat.embed:tomcat-embed-coreMaven

    From 9.0.83 · fixed in 9.0.115

References 1

lists.apache.org