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Home / Vulnerability Intelligence / CVE-2026-27314

CVE-2026-27314 - Vulnerability Analysis

HighCVSS: 8.8

Last Updated: April 7, 2026

Apache Cassandra - Privilege Escalation

Published: April 7, 2026Updated: April 7, 2026Remote Exploitable

Overview

Apache Cassandra 5.0 contains a privilege escalation caused by improper permission checks in MutualTlsAuthenticator in mTLS environments, letting users with CREATE permission associate arbitrary roles including superuser, exploit requires mTLS environment with MutualTlsAuthenticator.

Severity & Score

Severity: High
CVSS Score: 8.8

Impact

Users with limited permissions can escalate to superuser roles, gaining full administrative control.

Mitigation

Upgrade to version 5.0.7 or later.

Details

CVE ID
CVE-2026-27314
Severity
High
CVSS Score
8.8
Type
broken_access_control
Status
new

CWE

  • CWE-267

CVSS Metrics

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