CVE-2026-57915
Apache Kerby: Kerberos Pre-Authentication Bypass
CVSS Score
7.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-304 |
| Vendor | apache software foundation |
| Product | apache kerby |
| Published | Jun 26, 2026 |
| Last Updated | Aug 3, 2026 |
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Affected Versions
Apache Software Foundation / Apache Kerby
0 < 2.1.2
References
lists.apache.org: https://lists.apache.org/thread/1y3glgh3kzwoxo5m2lq504cjlh1dsrfh openwall.com: http://www.openwall.com/lists/oss-security/2026/06/26/8 access.redhat.com: https://access.redhat.com/security/cve/CVE-2026-57915 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2493407 security.access.redhat.com: https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-57915.json