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.

CVSS v3 7.3 HIGH

7.3^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
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

Configurations

No configuration.

History

25 Oct 2026, 22:10

Type	Values Removed	Values Added
Summary		(es) Es posible eludir la verificación de preautenticación de Kerberos en Apache Kerby enviando un PA-DATA con un tipo no reconocido o no compatible. Se recomienda a los usuarios actualizar a la versión 2.1.2, que corrige este problema.

Information

Published : 2026-06-26 13:16

Updated : 2026-10-25 22:10

NVD link : CVE-2026-57915

Mitre link : CVE-2026-57915

CVE.ORG link : CVE-2026-57915

JSON object : View

Products Affected

No product.

CWE

CWE-304

Missing Critical Step in Authentication

CWE-358

Improperly Implemented Security Check for Standard

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Users are recommended to upgrade to version 2.1.2, which fixes this issue."}, {"lang": "es", "value": "Es posible eludir la verificaci\u00f3n de preautenticaci\u00f3n de Kerberos en Apache Kerby enviando un PA-DATA con un tipo no reconocido o no compatible. Se recomienda a los usuarios actualizar a la versi\u00f3n 2.1.2, que corrige este problema."}], "lastModified": "2026-10-25T22:10:00.150", "sourceIdentifier": "security@apache.org"}