{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-82266", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-08-28T11:12:37.042Z", "datePublished": "2026-08-28T16:18:50.727Z", "dateUpdated": "2026-08-28T16:18:50.727Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-08-28T16:18:50.727Z" }, "datePublic": "2026-07-01T00:00:00.000Z", "title": "Redpanda Admin API Unauthenticated Superuser Access via Default Configuration", "descriptions": [ { "lang": "en", "value": "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." } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "Missing Authentication for Critical Function", "cweId": "CWE-306", "type": "CWE" } ] } ], "affected": [ { "vendor": "redpanda-data", "product": "redpanda", "versions": [ { "version": "0", "lessThanOrEqual": "26.2.2", "status": "affected", "versionType": "semver" } ], "defaultStatus": "unaffected" } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:redpanda:redpanda:*:*:*:*:*:*:*:*", "versionEndIncluding": "26.2.2" } ] } ] } ], "metrics": [ { "format": "CVSS", "cvssV4_0": { "version": "4.0", "vectorString": "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", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 9.3, "baseSeverity": "CRITICAL" } }, { "format": "CVSS", "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL" } } ], "references": [ { "url": "https://github.com/redpanda-data/redpanda/issues/30989", "tags": [ "issue-tracking" ], "name": "GitHub Issue #30989" }, { "url": "https://github.com/redpanda-data/redpanda", "tags": [ "product" ] }, { "url": "https://github.com/redpanda-data/redpanda/blob/3cfce474a872090e7c74d14181885f5838c54cf2/conf/redpanda.yaml", "tags": [ "technical-description" ], "name": "Vulnerable code: redpanda.yaml" }, { "url": "https://github.com/redpanda-data/redpanda/blob/3cfce474a872090e7c74d14181885f5838c54cf2/src/v/security/request_auth.cc", "tags": [ "technical-description" ], "name": "Vulnerable code: request_auth.cc" }, { "name": "VulnCheck Advisory: Redpanda Admin API Unauthenticated Superuser Access via Default Configuration", "tags": [ "third-party-advisory" ], "url": "https://www.vulncheck.com/advisories/redpanda-admin-api-unauthenticated-superuser-access-via-default-configuration" } ], "credits": [ { "lang": "en", "value": "George Chen", "type": "reporter" } ], "x_generator": { "engine": "vulncheck-endgame" } } } }