{"id":"CVE-2026-27314","aliases":["GHSA-qxpc-96fq-wwmg"],"url":"https://o3.security/vulnerability/CVE-2026-27314","summary":"Apache Cassandra: Privilege escalation via ADD IDENTITY authorization bypass","details":"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,\nincluding a superuser role, and authenticate as that role via ADD IDENTITY.\n\nUsers are recommended to upgrade to version 5.0.7+, which fixes this issue.","published":"2026-04-07T16:33:44.448Z","modified":"2026-10-28T02:30:44.522715174Z","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.apache.cassandra:cassandra-all","fixedVersion":"5.0.7"}],"fix":{"url":"https://github.com/apache/cassandra/commit/b584a435970e5125e1def5148d943c39569dc7af","label":"apache/cassandra@b584a43"},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/04/07/7"},{"type":"WEB","url":"https://repo.maven.apache.org/maven2/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27314.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/zrng82ddy4rpsmfyk582v6hqxcqrbz7f"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27314"},{"type":"WEB","url":"https://github.com/apache/cassandra/commit/b584a435970e5125e1def5148d943c39569dc7af"},{"type":"PACKAGE","url":"https://github.com/apache/cassandra"},{"type":"WEB","url":"https://github.com/apache/cassandra/releases/tag/cassandra-5.0.7"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-28T02:30:44.522715174Z"}}