CVE-2026-57915: Apache Kerby has a bypass the Kerberos pre-authentication check
(updated )
It is possible to bypass the Kerberos pre-authentication check in Apache Kerby by sending a PA-DATA with an unrecognized or unsupported type. Users are recommended to upgrade to version 2.1.2, which fixes this issue.
References
- access.redhat.com/security/cve/CVE-2026-57915
- bugzilla.redhat.com/show_bug.cgi?id=2493407
- github.com/advisories/GHSA-262p-fj3f-xh7v
- github.com/apache/directory-kerby/commit/995fa59fac53f8e2e6fb987e0e29a5ae3a4bbf38
- github.com/apache/directory-kerby/releases/tag/kerby-all-2.1.2
- lists.apache.org/thread/1y3glgh3kzwoxo5m2lq504cjlh1dsrfh
- nvd.nist.gov/vuln/detail/CVE-2026-57915
- security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-57915.json
Code Behaviors & Features
Detect and mitigate CVE-2026-57915 with GitLab Dependency Scanning
Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →