{"id":"CVE-2026-27314","aliases":["AZL-82676","EUVD-2026-19761","GHSA-qxpc-96fq-wwmg","ROOT-APP-MAVEN-CVE-2026-27314"],"status":"published","title":"Apache Cassandra: Privilege escalation via ADD IDENTITY authorization bypass","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,\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.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00274,"percentile":0.19968,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-267"],"published":"2026-04-07T16:33:44Z","modified":"2026-11-05T05:36:30Z","fixes":[{"ecosystem":"Maven","package":"org.apache.cassandra:cassandra-all","fixed_in":["5.0.7"],"sources":["ghsa","osv"]},{"ecosystem":"Root:Maven","package":"io.root.org.apache.cassandra:cassandra-all","fixed_in":["5.0.6-root.io.1","5.0.6-root.io.2"],"sources":["osv"]},{"ecosystem":"Root:Maven","package":"org.apache.cassandra:cassandra-all","fixed_in":["5.0.6-aikido.2"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.apache.cassandra:cassandra-all","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.0-alpha1"},{"fixed":"5.0.7"}]}]},{"source":"osv","ecosystem":"Azure Linux:3","package":"cassandra","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"5.0.0-2"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.apache.cassandra:cassandra-all","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.0-alpha1"},{"fixed":"5.0.7"}]}],"versions":["5.0-alpha1","5.0-alpha2","5.0-beta1","5.0-rc1","5.0-rc2","5.0.0","5.0.1","5.0.2","5.0.3","5.0.4","5.0.5","5.0.6"]},{"source":"osv","ecosystem":"Root:Maven","package":"io.root.org.apache.cassandra:cassandra-all","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.6-root.io.1"},{"fixed":"5.0.6-root.io.2"}]}]},{"source":"osv","ecosystem":"Root:Maven","package":"org.apache.cassandra:cassandra-all","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.6-aikido.2"}]}]}],"products":[{"vendor":"apache","product":"cassandra"},{"vendor":"apache software foundation","product":"apache cassandra"}],"references":[{"url":"https://lists.apache.org/thread/zrng82ddy4rpsmfyk582v6hqxcqrbz7f","tags":["vendor-advisory","Mailing List","Vendor Advisory","advisory","web"]},{"url":"http://www.openwall.com/lists/oss-security/2026/04/07/7","tags":["Mailing List","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27314","tags":["web","advisory"]},{"url":"https://github.com/apache/cassandra/commit/b584a435970e5125e1def5148d943c39569dc7af","tags":["web"]},{"url":"https://github.com/apache/cassandra/releases/tag/cassandra-5.0.7","tags":["web"]},{"url":"https://github.com/advisories/GHSA-qxpc-96fq-wwmg"},{"url":"https://repo.maven.apache.org/maven2/","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27314.json","tags":["advisory"]},{"url":"https://github.com/apache/cassandra","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-27314","title":"Apache Cassandra: Privilege escalation via ADD IDENTITY authorization bypass","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,\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.","status":"published","published":"2026-04-07T16:33:44.448Z","modified":"2026-04-08T03:55:52.335Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-267"],"updated_at":"2026-11-02T14:19:49.199185Z"}],"euvd":[{"id":"EUVD-2026-19761","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,\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.","status":"published","published":"2026-04-07T16:33:44Z","modified":"2026-04-08T03:55:52Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T19:25:12.431163Z"}],"ghsa":[{"id":"GHSA-qxpc-96fq-wwmg","title":"Apache Cassandra is vulnerable to privilege escalation in an mTLS environment using MutualTlsAuthenticator","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.\n\nUsers are recommended to upgrade to version 5.0.7+, which fixes this issue.","status":"published","published":"2026-04-07T18:31:37Z","modified":"2026-04-08T19:22:40Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-267"],"updated_at":"2026-11-02T14:39:51.193071Z"}],"nvd":[{"id":"CVE-2026-27314","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,\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.","status":"published","published":"2026-04-07T17:16:27.693Z","modified":"2026-10-26T21:10:00.17Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-267"],"updated_at":"2026-11-02T14:12:13.535987Z"}],"osv":[{"id":"CVE-2026-27314","title":"Apache Cassandra: Privilege escalation via ADD IDENTITY authorization bypass","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,\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.","status":"published","published":"2026-04-07T16:33:44.448Z","modified":"2026-10-28T02:30:44.522715174Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-267"],"updated_at":"2026-11-02T15:45:00.180685Z"},{"id":"GHSA-qxpc-96fq-wwmg","title":"Apache Cassandra is vulnerable to privilege escalation in an mTLS environment using MutualTlsAuthenticator","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.\n\nUsers are recommended to upgrade to version 5.0.7+, which fixes this issue.","status":"published","published":"2026-04-07T18:31:37Z","modified":"2026-04-08T19:41:25.037036Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-267"],"updated_at":"2026-11-02T15:46:55.122811Z"},{"id":"ROOT-APP-MAVEN-CVE-2026-27314","title":"CVE-2026-27314 in io.root.org.apache.cassandra:cassandra-all - Patched by Root","description":"Root has patched CVE-2026-27314 in the io.root.org.apache.cassandra:cassandra-all package for Root:Maven. Multiple fixed versions available.","status":"published","published":"2026-06-17T13:27:04Z","modified":"2026-06-17T18:15:32.201816168Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:27.066589Z"},{"id":"AZL-82676","title":"CVE-2026-27314 affecting package cassandra 5.0.0-2","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,\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.","status":"published","published":"2026-04-07T17:16:27Z","modified":"2026-11-05T05:36:30Z","updated_at":"2026-11-05T16:41:24.988217Z"}]}}