Apache Tomcat FFM CRL Error Condition Vulnerability (<=11.0.22,10.1.55,9.0.118)
CVE-2026-53434 Published on June 29, 2026
Apache Tomcat: Invalid CRL configuration doesn't trigger failure for FFM Connector
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.
Vulnerability Analysis
CVE-2026-53434 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality and integrity, and no impact on availability.
Weakness Type
Detection of Error Condition Without Action
The software detects a specific error, but takes no actions to handle the error.
Products Associated with CVE-2026-53434
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Affected Versions
Apache Software Foundation Apache Tomcat:- Version 11.0.0-M1, <= 11.0.22 is affected.
- Version 10.1.0-M7, <= 10.1.55 is affected.
- Version 9.0.83, <= 9.0.118 is affected.
- Before and including 9.0.82 is unaffected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.