CVE-2026-53434
Critical
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.
SeverityCritical
CVSS9.1
Exploit probability—
Product
Apache Tomcat
PublishedJun 29, 2026
First seenJun 29, 2026
Weakness typeCWE-390CWE-390
How to fix
Update
- apache tomcat9.0.119, 10.1.56, 11.0.23 or later
- org.apache.tomcat:tomcat-util11.0.23, 10.1.56, 9.0.119 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apache tomcat | 9.0.83 ≤ v < 9.0.119, 10.1.0 ≤ v < 10.1.56, 11.0.0 ≤ v < 11.0.23 | 9.0.119, 10.1.56, 11.0.23 |
| org.apache.tomcat:tomcat-utilMaven | 11.0.0-M1 ≤ v < 11.0.23, 10.1.0-M7 ≤ v < 10.1.56, 9.0.83 ≤ v < 9.0.119 | 11.0.23, 10.1.56, 9.0.119 |
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