{"id":"CVE-2026-82266","title":"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","summary":"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 a…","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-306"],"vendor":"redpanda-data","product":"redpanda","affected":["redpanda <= 26.2.2"],"published":"2026-08-28","updated":"2026-09-24","sourceUpdated":"2026-09-24T20:43:32.537","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-82266","references":[{"url":"https://github.com/redpanda-data/redpanda","label":"disclosure@vulncheck.com"},{"url":"https://github.com/redpanda-data/redpanda/blob/3cfce474a872090e7c74d14181885f5838c54cf2/conf/redpanda.yaml","label":"disclosure@vulncheck.com"},{"url":"https://github.com/redpanda-data/redpanda/blob/3cfce474a872090e7c74d14181885f5838c54cf2/src/v/security/request_auth.cc","label":"disclosure@vulncheck.com"},{"url":"https://github.com/redpanda-data/redpanda/issues/30989","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/redpanda-admin-api-unauthenticated-superuser-access-via-default-configuration","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"epss":0.00621,"epssPercentile":0.47464,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-09-01T03:56:21.828198Z"},"ingestedAt":"2026-09-24T15:45:56.694Z","slug":"CVE-2026-82266","body":"## Overview\n\nRedpanda 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}