CVE-2026-27314
Published:April 07, 2026
Updated:August 06, 2026
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.
Affected Packages
https://github.com/apache/cassandra.git (GITHUB):
Affected version(s) >=cassandra-5.0.0 <cassandra-5.0.7Fix Suggestion:
Update to version cassandra-5.0.7org.apache.cassandra:cassandra-all (JAVA):
Affected version(s) >=5.0-alpha1 <5.0.7Fix Suggestion:
Update to version 5.0.7Related Resources (8)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Privilege Defined With Unsafe Actions
EPSS
Base Score:
0.26