{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:apache:cassandra:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "5.0.0"
              },
              {
                "fixed": "5.0.7"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "186272edca920c757b91bf95c2392bafa1a38d72"
            },
            {
              "fixed": "0269fd5665751e8a6d8eab852e0f66c142b10ee6"
            }
          ],
          "repo": "https://github.com/apache/cassandra",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "apache",
    "cwe_ids": [
      "CWE-267"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27314.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "introduced": "5.0"
          },
          {
            "last_affected": "5.0.6"
          }
        ],
        "source": "AFFECTED_FIELD"
      }
    ]
  },
  "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.",
  "id": "CVE-2026-27314",
  "modified": "2026-07-08T05:39:12.282571158Z",
  "published": "2026-04-07T16:33:44.448Z",
  "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"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Apache Cassandra: Privilege escalation via ADD IDENTITY authorization bypass"
}