CVE-2026-29145

Summary

CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled vulnerability in Apache Tomcat, Apache Tomcat Native.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.1.0-M7 through 10.1.52, from 9.0.83 through 9.0.115; Apache Tomcat Native: from 1.1.23 through 1.1.34, from 1.2.0 through 1.2.39, from 1.3.0 through 1.3.6, from 2.0.0 through 2.0.13.

Users are recommended to upgrade to version Tomcat Native 1.3.7 or 2.0.14 and Tomcat 11.0.20, 10.1.53 and 9.0.116, which fix the issue.

Affected Software

VendorProductVersion RangeStatus
Apache Software FoundationApache Tomcat11.0.0-M1 <= 11.0.18affected
Apache Software FoundationApache Tomcat10.1.0-M7 <= 10.1.52affected
Apache Software FoundationApache Tomcat9.0.83 <= 9.0.115affected
Apache Software FoundationApache Tomcat0 <= 8.5.100unaffected
Apache Software FoundationApache Tomcat Native1.1.23 <= 1.1.34affected
Apache Software FoundationApache Tomcat Native1.2.0 <= 1.2.39affected
Apache Software FoundationApache Tomcat Native1.3.0 <= 1.3.6affected
Apache Software FoundationApache Tomcat Native2.0.0 <= 2.0.13affected

Weaknesses

  • CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References