Description
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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Apache Software Foundation Apache Kerby
Default version status: unaffected
0 to < 2.1.2affected
References
- https://lists.apache.org/thread/1y3glgh3kzwoxo5m2lq504cjlh1dsrfh ↗
- http://www.openwall.com/lists/oss-security/2026/06/26/8 ↗
- https://access.redhat.com/security/cve/CVE-2026-57915 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=2493407 ↗
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-57915.json ↗