CVE-2026-27314
HIGH8.8EPSS 0.04%Apache Cassandra is vulnerable to privilege escalation in an mTLS environment using MutualTlsAuthenticator
Published: 4/7/2026Modified: 4/8/2026
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 packages (1)
- Maven/org.apache.cassandra:cassandra-all>= 5.0-alpha1, < 5.0.7
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
References (6)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2026-27314
- PATCHhttps://github.com/apache/cassandra
- WEBhttps://github.com/apache/cassandra/commit/b584a435970e5125e1def5148d943c39569dc7af
- WEBhttps://github.com/apache/cassandra/releases/tag/cassandra-5.0.7
- WEBhttps://lists.apache.org/thread/zrng82ddy4rpsmfyk582v6hqxcqrbz7f
- WEBhttp://www.openwall.com/lists/oss-security/2026/04/07/7