Paper/Archive/CVE-2026-53434

CVE-2026-53434

Apache Software Foundation Apache Tomcat — Apache Tomcat: Invalid CRL configuration doesn't trigger failure for FFM Connector

EPSS 0.6%CVSS 9.1

critical.is priorityof 100

CVSS 9.1 (ADP)9.1 / 10 × 3027.3 Not in CISA KEV+300.0 EPSS percentile 48.0.480 × 209.6 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

Detection of Error Condition Without Action vulnerability in Apache Tomcat when configuring CRLs for a FFM based connector. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M7 through 10.1.55, from 9.0.83 through 9.0.118. Users are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119, which fixes the issue.

Affected

ProductAffectedFixed inSource

Apache Tomcat11.0.0-M1 – 11.0.22–CNA

Apache Tomcat10.1.0-M7 – 10.1.55–CNA

Apache Tomcat9.0.83 – 9.0.118–CNA

Scores by source

CISA ADP9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

advisorylists.apache.org/thread/x510lbq0sfrd1qyo7q3r1mpllgpdcosk refopenwall.com/lists/oss-security/2026/06/29/22