Apache Cassandra is vulnerable to privilege escalation in an mTLS environment using MutualTlsAuthenticator
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.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-27314US | — | — | ||
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 identi… | ||||
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references
External citations — patches, advisories, analysis.
- http://www.openwall.com/lists/oss-security/2026/04/07/7WEB
- https://github.com/apache/cassandraPACKAGE
- https://github.com/apache/cassandra/commit/b584a435970e5125e1def5148d943c39569dc7afWEB
- https://github.com/apache/cassandra/releases/tag/cassandra-5.0.7WEB
- https://lists.apache.org/thread/zrng82ddy4rpsmfyk582v6hqxcqrbz7fWEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-27314ADVISORY
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