Apache Tomcat util accepted misconfigured CRLs
Detection of Error Condition Without Action vulnerability in Apache Tomcat when configuring Certificate Revocation List (CRLs) for a FFM based connector. If an FFM connector was configured with invalid CRLs, the invalid CRLs were ignored meaning invalid certificates could be accepted.
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 software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.apache.tomcat:tomcat-util | >= 11.0.0-M1, < 11.0.23, >= 10.1.0-M7, < 10.1.56, >= 9.0.83, < 9.0.119 | 11.0.23, 10.1.56, 9.0.119 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-53434
- https://github.com/apache/tomcat/commit/7f8ecdbd930d8c5a7fae73aa0eec9124d919e2f5
- https://github.com/apache/tomcat/commit/c48ac39c27f4494f8c96b9d56a487253e362d276
- https://github.com/apache/tomcat/commit/feec60d6099727db6f911534f6a0f6926ebab070
- https://lists.apache.org/thread/x510lbq0sfrd1qyo7q3r1mpllgpdcosk
- http://www.openwall.com/lists/oss-security/2026/06/29/22
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N- Weakness (CWE)
CWE-390- Platform
- Java / Kotlin (Maven)
- Package
org.apache.tomcat:tomcat-util- Disclosed
- 29.06.2026
- Updated
- 24.10.2026 01:17
Sources and licenses
OSV / GitHub Advisory Database - GHSA-4x29-79gh-6v8q - CC BY 4.0
Vulnerability history: org.apache.tomcat:tomcat-util
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 5
- First → latest
- 05.2022 06.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 1
- High 2
- Medium 2
Disclosures per year
- 2022: 2
- 2023: 2
- 2024: 0
- 2025: 0
- 2026: 1
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Apache Tomcat util accepted misconfigured CRLs this entry
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