CVE-2026-57915

Published: Jun 26, 2026Modified: Jul 15, 2026Deferred

7.3

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Exploitability: 3.9 / Impact: 3.4

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

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.

Related CWEs

CWE-304

Missing Critical Step in Authentication

The product implements an authentication technique, but it skips a step that weakens the technique.

CWE-358

Improperly Implemented Security Check for Standard

The product does not implement or incorrectly implements one or more security-relevant checks as specified by the design of a standardized algorithm, protocol, or technique.

References (5)

https://lists.apache.org/thread/1y3glgh3kzwoxo5m2lq504cjlh1dsrfh

Source: security@apache.org

http://www.openwall.com/lists/oss-security/2026/06/26/8

Source: af854a3a-2127-422b-91ae-364da2661108

https://access.redhat.com/security/cve/CVE-2026-57915

Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c

https://bugzilla.redhat.com/show_bug.cgi?id=2493407

Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c

https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-57915.json

Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c

Timeline

No history available yet.