RHSA-2026:44426MediumCVSS 5.3
Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
🔗 CVE IDs covered (1)
📋 Description
CVE-2026-43513 — tomcat-catalina: Apache Tomcat: Improper Handling of Case Sensitivity in LockOutRealm
🎯 Affected products3
- Red Hat Hardened Images
- tomcat10-main@noarch as a component of Red Hat Hardened Images
- tomcat10-main@src as a component of Red Hat Hardened Images
✅ Remediation
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://images.redhat.com/ Workaround: This vulnerability only affects Tomcat deployments using the LockOutRealm with a case-insensitive authentication backend. Deployments not using LockOutRealm or using case-sensitive authentication backends are not affected.
🔗 References (5)
- selfhttps://access.redhat.com/errata/RHSA-2026:44426
- externalhttps://images.redhat.com/
- externalhttps://access.redhat.com/security/cve/CVE-2026-43513
- externalhttps://access.redhat.com/security/updates/classification/
- selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_44426.json