CVE-2026-27314

HIGH

8.8

Description

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.

CVE Details

CVSS v3.1 Score8.8

SeverityHIGH

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published4/7/2026

Last Modified4/7/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-267

References

https://lists.apache.org/thread/zrng82ddy4rpsmfyk582v6hqxcqrbz7f(security@apache.org)

http://www.openwall.com/lists/oss-security/2026/04/07/7(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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