CVE-2026-27314 - Vulnerability Analysis
HighCVSS: 8.8Last 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.
References
Related Resources
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