CVE-2026-66422
Description
Improper Authorization vulnerability in Apache Tomcat cause by security-role-ref definitions being incorrectly used as role aliases within the Realm in additional to the correct usage with Request.isUserInRole(). This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.25 through 9.0.120. The following versions were EOL at the time the CVE wa…
Description from NVD (National Vulnerability Database).
- Product
- Tomcat
- Severity
- CVSS 8.1 · HIGH
- Published
- Source
- NVD (National Vulnerability Database) · View on NVD
Severity is the CVSS score; the real impact depends on the version and configuration you run. Always check affected versions and fixes in the original advisory.