{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-72921", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-08-10T17:57:26.144Z", "datePublished": "2026-08-11T14:28:49.398Z", "dateUpdated": "2026-08-11T14:28:49.398Z"}, "containers": {"cna": {"title": "SeaweedFS: Filer JWT allowed_prefixes literal prefix match allows cross-tenant access to sibling paths", "problemTypes": [{"descriptions": [{"cweId": "CWE-863", "lang": "en", "description": "CWE-863: Incorrect Authorization", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/seaweedfs/seaweedfs/security/advisories/GHSA-gv5w-hfx8-8cwq", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/seaweedfs/seaweedfs/security/advisories/GHSA-gv5w-hfx8-8cwq"}, {"name": "https://github.com/seaweedfs/seaweedfs/pull/9439", "tags": ["x_refsource_MISC"], "url": "https://github.com/seaweedfs/seaweedfs/pull/9439"}, {"name": "https://github.com/seaweedfs/seaweedfs/commit/05ed5c9ae8a2a45101b52b61d02f170d20d587ff", "tags": ["x_refsource_MISC"], "url": "https://github.com/seaweedfs/seaweedfs/commit/05ed5c9ae8a2a45101b52b61d02f170d20d587ff"}, {"name": "https://github.com/seaweedfs/seaweedfs/releases/tag/4.24", "tags": ["x_refsource_MISC"], "url": "https://github.com/seaweedfs/seaweedfs/releases/tag/4.24"}], "affected": [{"vendor": "seaweedfs", "product": "seaweedfs", "versions": [{"version": "< 4.24", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-11T14:28:49.398Z"}, "descriptions": [{"lang": "en", "value": "SeaweedFS is a distributed storage system. Prior to 4.24, the weed/server/filer_server_handlers.go allowed_prefixes authorization check used strings.HasPrefix on raw path strings, so a filer JWT scoped to /tenant1 also authorized sibling paths such as /tenant1234, /tenant1-old, and /tenant1backup, enabling cross-tenant reads and writes with a valid scoped token. This issue is fixed in version 4.24."}], "source": {"advisory": "GHSA-gv5w-hfx8-8cwq", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "seaweedfs", "vendor": "seaweedfs", "versions": [{"status": "affected", "version": "< 4.24"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "SeaweedFS is a distributed storage system. Prior to 4.24, the weed/server/filer_server_handlers.go allowed_prefixes authorization check used strings.HasPrefix on raw path strings, so a filer JWT scoped to /tenant1 also authorized sibling paths such as /tenant1234, /tenant1-old, and /tenant1backup, enabling cross-tenant reads and writes with a valid scoped token. This issue is fixed in version 4.24."}], "id": "CVE-2026-72921", "lastModified": "2026-08-11T15:17:38.217", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.2, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-08-11T15:17:38.217", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/seaweedfs/seaweedfs/commit/05ed5c9ae8a2a45101b52b61d02f170d20d587ff"}, {"source": "security-advisories@github.com", "url": "https://github.com/seaweedfs/seaweedfs/pull/9439"}, {"source": "security-advisories@github.com", "url": "https://github.com/seaweedfs/seaweedfs/releases/tag/4.24"}, {"source": "security-advisories@github.com", "url": "https://github.com/seaweedfs/seaweedfs/security/advisories/GHSA-gv5w-hfx8-8cwq"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,4.24)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "seaweedfs", "source": "cna", "vendor": "seaweedfs"}, "product": "seaweedfs", "vendor": "seaweedfs"}], "created": "2026-08-11T23:15:13.097398+00:00", "updated": "2026-08-11T23:45:04.586448+00:00", "vendors": ["seaweedfs", "seaweedfs$PRODUCT$seaweedfs"]}