{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "26.2.2"
              },
              {
                "fixed": "26.2.2"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "DESCRIPTION"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "fd30e45b31e0c5e9595e530121a0896e3ddd12a3"
            }
          ],
          "repo": "https://github.com/redpanda-data/redpanda",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-306"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/82xxx/CVE-2026-82266.json"
  },
  "details": "Redpanda through 26.2.2 binds the Admin API to 0.0.0.0:9644 with admin_api_require_auth defaulting to false, treating unauthenticated requests as superusers. Attackers can reach port 9644 without credentials to create and delete broker accounts, modify cluster configuration, and disrupt partition replication.",
  "id": "CVE-2026-82266",
  "modified": "2026-08-30T03:30:38.509766176Z",
  "published": "2026-08-28T16:18:50.727Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/82xxx/CVE-2026-82266.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-82266"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/redpanda-admin-api-unauthenticated-superuser-access-via-default-configuration"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/redpanda-data/redpanda/issues/30989"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/redpanda-data/redpanda"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/redpanda-data/redpanda/blob/3cfce474a872090e7c74d14181885f5838c54cf2/conf/redpanda.yaml"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/redpanda-data/redpanda/blob/3cfce474a872090e7c74d14181885f5838c54cf2/src/v/security/request_auth.cc"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Redpanda Admin API Unauthenticated Superuser Access via Default Configuration"
}