{
  "containers": {
    "cna": {
      "providerMetadata": {
        "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09"
      },
      "title": "Privilege escalation via ADD IDENTITY authorization bypass",
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-267 Privilege Defined With Unsafe Actions",
              "lang": "en",
              "cweId": "CWE-267",
              "type": "CWE"
            }
          ]
        }
      ],
      "source": {
        "defect": [
          "CASSANDRA-21219"
        ],
        "discovery": "EXTERNAL"
      },
      "affected": [
        {
          "vendor": "Apache Software Foundation",
          "product": "Apache Cassandra",
          "collectionURL": "https://repo.maven.apache.org/maven2/",
          "packageName": "org.apache.cassandra:cassandra-all",
          "versions": [
            {
              "status": "affected",
              "version": "5.0",
              "lessThanOrEqual": "5.0.6",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ],
      "descriptions": [
        {
          "value": "Privilege escalation\u00a0in Apache Cassandra 5.0 on an mTLS environment using MutualTlsAuthenticator\u00a0allows a user with only CREATE permission\u00a0to associate their own certificate identity with an arbitrary role,\nincluding a superuser role, and authenticate as that role\u00a0via ADD IDENTITY.\n\nUsers are recommended to upgrade to version 5.0.7+, which fixes this issue.",
          "lang": "en",
          "supportingMedia": [
            {
              "type": "text/html",
              "base64": false,
              "value": "<span style=\"background-color: rgb(255, 255, 255);\">Privilege escalation&nbsp;</span>in Apache Cassandra 5.0 on an mTLS environment using MutualTlsAuthenticator&nbsp;allows a user with only CREATE permission&nbsp;to associate their own certificate identity with an arbitrary role,<br>including a superuser role, and authenticate as that role&nbsp;via ADD IDENTITY.<br><br>Users are recommended to upgrade to version 5.0.7+, which fixes this issue.&nbsp;<p><br></p><br>"
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://lists.apache.org/thread/zrng82ddy4rpsmfyk582v6hqxcqrbz7f",
          "tags": [
            "vendor-advisory"
          ]
        }
      ],
      "metrics": [
        {
          "other": {
            "type": "Textual description of severity",
            "content": {
              "text": "low"
            }
          }
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Sho Odagiri, GMO Cybersecurity by Ierae, Inc.",
          "type": "reporter"
        }
      ],
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "cveId": "CVE-2026-27314",
    "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
    "serial": 1,
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}