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.
Affected products
apache: cassandra
References2
- lists.apache.org/thread/zrng82ddy4rpsmfyk582v6hqxcqrbz7f Mailing ListVendor Advisory
- www.openwall.com/lists/oss-security/2026/04/07/7 Mailing ListThird Party Advisory
Metrics
- CVSS 3.1
-
8.8
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 0% percentile: 20 · as of 12 November 2026
- CWE
- CWE-267
Could this be exploited in your environment?
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