{"id":"CVE-2026-27314","state":"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.","publishedAt":"2026-04-07T16:33:44.448Z","updatedAt":"2026-04-08T03:55:52.335Z","severity":{"score":8.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"apache","products":["Apache Software Foundation Apache Cassandra"],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Cassandra","packageName":"org.apache.cassandra:cassandra-all","defaultStatus":"unaffected","versions":[{"version":"5.0","status":"affected","lessThanOrEqual":"5.0.6","versionType":"semver"}],"collectionURL":"https://repo.maven.apache.org/maven2/"}],"references":["https://lists.apache.org/thread/zrng82ddy4rpsmfyk582v6hqxcqrbz7f","http://www.openwall.com/lists/oss-security/2026/04/07/7"],"weaknesses":["CWE-267"],"ingestedAt":"2026-10-29T20:11:31.369Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/27xxx/CVE-2026-27314.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-27314","state":"PUBLISHED","datePublished":"2026-04-07T16:33:44.448Z","dateUpdated":"2026-04-08T03:55:52.335Z","assignerShortName":"apache","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateReserved":"2026-02-19T00:03:57.862Z"},"containers":{"cna":{"title":"Apache Cassandra: Privilege escalation via ADD IDENTITY authorization bypass","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Cassandra","packageName":"org.apache.cassandra:cassandra-all","defaultStatus":"unaffected","versions":[{"version":"5.0","status":"affected","lessThanOrEqual":"5.0.6","versionType":"semver"}],"collectionURL":"https://repo.maven.apache.org/maven2/"}],"references":[{"url":"https://lists.apache.org/thread/zrng82ddy4rpsmfyk582v6hqxcqrbz7f","tags":["vendor-advisory"]}],"metrics":[{"other":{"content":{"text":"low"},"type":"Textual description of severity"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-267","description":"CWE-267 Privilege Defined With Unsafe Actions","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"apache","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateUpdated":"2026-04-07T16:33:44.448Z"},"credits":[{"lang":"en","type":"reporter","value":"Sho Odagiri, GMO Cybersecurity by Ierae, Inc."}],"source":{"defect":["CASSANDRA-21219"],"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/04/07/7"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2026-04-07T17:25:57.687Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":8.8,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-04-07T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-27314"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-08T03:55:52.335Z"}}]}}}