High severity7.3NVD Advisory· Published Jun 26, 2026· Updated Aug 3, 2026

CVE-2026-57915

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

Apache/Kerbyllm-fuzzy
Range: >=2.1.2

Patches

Vulnerability mechanics

References

www.openwall.com/lists/oss-security/2026/06/26/8nvd
access.redhat.com/security/cve/CVE-2026-57915nvd
bugzilla.redhat.com/show_bug.cginvd
lists.apache.org/thread/1y3glgh3kzwoxo5m2lq504cjlh1dsrfhnvd
security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-57915.jsonnvd

News mentions

Apache Software Foundation: 21 Vulnerabilities Across Multiple Products Disclosed in Early July 2026
Vypr Intelligence · Jul 3, 2026

cvss	0.474
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000