CVE-2026-57915

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.

Scoring

Severity

HIGH

CVSS base score

7.3

CVSS vector

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

EPSS probability

0.53%

CWE

CWE-304

Published

2026-06-26

Last modified

2026-08-03

Affected products

• Apache Software Foundation Apache Kerby

Weakness type

• CWE-304

Related vulnerabilities

• CVE-2023-54391 — Proxmox VE 7.0-8.0 Authentication Bypass via tfa-challenge Parameter
• CVE-2026-59564 — Authentication bypass between ZCC and client connector portal
• CVE-2026-76207 — phpMyFAQ before 4.1.7 2FA Bypass via Remember-Me Cookie
• CVE-2026-49467 — TOTP enrollment hijack: password gate skipped due to unawaited promise
• CVE-2026-61466 — Apache CXF: OAuth2 Dynamic Client Registration Scope Self-Escalation
• CVE-2026-67351 — Serendipity < 2.6.1 Authentication Bypass via Username Collision
• CVE-2026-55957 — Apache Tomcat: Authentication bypass with JNDIRealm and GSSAPI authenticated bind
• CVE-2026-44547 — ChurchCRM: Incomplete fix for CVE-2026-40582: public API login still bypasses 2FA and account lockout in ChurchCRM 7.2.2

Markdown version · Browse all CVEs