CVE-2026-27314

Privilege escalation in Apache Cassandra 5.0 on an mTLS environment using MutualTlsAuthenticator allows a user with only CREATE permission to associate their own certificate identity with an arbitrary role, including a superuser role, and authenticate as that role via ADD IDENTITY. Users are recommended to upgrade to version 5.0.7+, which fixes this issue.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://lists.apache.org/thread/zrng82ddy4rpsmfyk582v6hqxcqrbz7f	Mailing List Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/04/07/7	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:apache:cassandra:*:*:*:*:*:*:*:*

History

26 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) La escalada de privilegios en Apache Cassandra 5.0 en un entorno mTLS utilizando MutualTlsAuthenticator permite a un usuario con solo permiso CREATE asociar su propia identidad de certificado con un rol arbitrario, incluyendo un rol de superusuario, y autenticarse como ese rol a través de ADD IDENTITY. Se recomienda a los usuarios actualizar a la versión 5.0.7+, que corrige este problema.

Information

Published : 2026-04-07 17:16

Updated : 2026-10-26 21:10

NVD link : CVE-2026-27314

Mitre link : CVE-2026-27314

CVE.ORG link : CVE-2026-27314

JSON object : View

Products Affected

apache

cassandra

CWE

CWE-267

Privilege Defined With Unsafe Actions

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