# CVE-2026-53434

## Summary

- **CVE ID:** CVE-2026-53434
- **Severity:** CRITICAL
- **CVSS Score:** 9.1 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N)
- **CWE:** CWE-390
- **Published:** Jun 29, 2026
- **Last Modified:** Jun 30, 2026

## Description

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 Products

- Apache Software Foundation — Apache Tomcat (11.0.0-M1)
- Apache Software Foundation — Apache Tomcat (10.1.0-M7)
- Apache Software Foundation — Apache Tomcat (9.0.83)
- Apache Software Foundation — Apache Tomcat (0)

## References

- [CNA](https://lists.apache.org/thread/x510lbq0sfrd1qyo7q3r1mpllgpdcosk)
- [CVE](http://www.openwall.com/lists/oss-security/2026/06/29/22)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.55%
- **EPSS Percentile:** 44.0

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._