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CVE-2026-55957 Missing Critical Step in Authentication vulnerability in Apache Tomcat when the JNDIRealm was configured to authenticate…
Description
Missing Critical Step in Authentication vulnerability in Apache Tomcat when the JNDIRealm was configured to authenticate binds using GSSAPI allowed attackers to authenticate without provided the correct password. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.4, from 10.1.0-M1 through 10.1.36, from 9.0.0.M1 through 9.0.100, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Users are recommended to upgrade to version 11.0.5, 10.1.37 or 9.0.101, which fixes the issue.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Apache Tomcat 11.0 | 11.0.0-M1 → 11.0.4 | No fix stated |
| Apache Tomcat 10.1 | 10.1.0-M1 → 10.1.36 | No fix stated |
| Apache Tomcat 9.0 | 9.0.0.M1 → 9.0.100 | No fix stated |
| Apache Tomcat 8.5 | 8.5.0 → 8.5.100 | No fix stated |
| Apache Tomcat 7.0 | earliest → 7.0.109 | 7.0.0 |
References
- lists.apache.org lists.apache.org
Timeline
- Published
- Last modified
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