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This issue is fixed in version 4.24.","state":0,"publishedAt":"2026-08-11T14:28:49.398+00:00","modifiedAt":"2026-08-13T15:14:54.202+00:00","affected":[{"ecosystem":"Vendor product","name":"seaweedfs","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"seaweedfs\",\n                    \"product\": \"seaweedfs\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 4.24\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","score":8.1,"severity":"HIGH"}],"references":["https://github.com/seaweedfs/seaweedfs/security/advisories/GHSA-gv5w-hfx8-8cwq","https://github.com/seaweedfs/seaweedfs/pull/9439","https://github.com/seaweedfs/seaweedfs/commit/05ed5c9ae8a2a45101b52b61d02f170d20d587ff","https://github.com/seaweedfs/seaweedfs/releases/tag/4.24"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-72921","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-72921","identifiers":["CVE-2026-72921"]},"retained":false,"historicalAffected":[]},{"revision":"788b53394f5a44e3aa6275907f053f1d","observedAt":"2026-11-14T03:06:20.986+00:00","statement":{"source":"euvd","id":"EUVD-2026-56159","aliases":["CVE-2026-72921","GHSA-gv5w-hfx8-8cwq"],"title":"SeaweedFS is a distributed storage system. 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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.","state":0,"publishedAt":"2026-08-11T15:17:38.217+00:00","modifiedAt":"2026-09-09T20:46:02.457+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security-advisories@github.com · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","score":8.1,"severity":"HIGH"}],"references":["https://github.com/seaweedfs/seaweedfs/commit/05ed5c9ae8a2a45101b52b61d02f170d20d587ff","https://github.com/seaweedfs/seaweedfs/pull/9439","https://github.com/seaweedfs/seaweedfs/releases/tag/4.24","https://github.com/seaweedfs/seaweedfs/security/advisories/GHSA-gv5w-hfx8-8cwq"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-72921","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Deferred","weaknesses":["CWE-863"],"productCriteria":[],"sourceDates":{"published":"2026-08-11T15:17:38.217","lastModified":"2026-09-09T20:46:02.457"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-72921","identifiers":["CVE-2026-72921"]},"retained":false,"historicalAffected":[]},{"revision":"f182854df1144ea3b714b41827dac06d","observedAt":"2026-10-24T13:19:41.952+00:00","statement":{"source":"osv","id":"GHSA-gv5w-hfx8-8cwq","aliases":["BIT-seaweedfs-2026-72921","CVE-2026-72921","GO-2026-6361"],"title":"SeaweedFS: Filer JWT allowed_prefixes literal prefix match allows cross-tenant access to sibling paths","description":"### Impact\nWhen a filer JWT restricts a token to a set of path prefixes via `allowed_prefixes`, the authorization check used a literal byte-prefix match (`strings.HasPrefix`). A token scoped to `/tenant1` therefore also authorized requests to sibling paths such as `/tenant1234`, `/tenant1-old`, and `/tenant1backup`.\n\nIn a multi-tenant deployment this lets the holder of one tenant's token access another tenant's data. Because `allowed_prefixes` gates both read and write tokens, the impact covers cross-tenant reads and writes. A valid scoped token is required, so this is an authorization bypass rather than a fully unauthenticated flaw.\n\n### Affected component\n- `weed/server/filer_server_handlers.go` (JWT `allowed_prefixes` authorization check)\n\n### Patches\nFixed in **4.24**. The check now matches on `/`-separated path components after `path.Clean` normalisation, so `/tenant1` authorizes only `/tenant1` and its descendants — not `/tenant1234` or other sibling paths.\n\n### Workarounds\nWhere feasible, choose prefix names that are not string-prefixes of one another (e.g. keep a trailing separator convention). Upgrade to 4.24.\n\n### References\n- Reported by Kadir Arslan (https://github.com/KadirArslan)","state":0,"publishedAt":"2026-09-02T23:42:05+00:00","modifiedAt":"2026-09-10T15:25:33.0765151+00:00","affected":[{"ecosystem":"Go","name":"github.com/seaweedfs/seaweedfs","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"0.0.0-20260512171048-05ed5c9ae8a2"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"HIGH"}],"references":["https://github.com/seaweedfs/seaweedfs/security/advisories/GHSA-gv5w-hfx8-8cwq","https://nvd.nist.gov/vuln/detail/CVE-2026-72921","https://github.com/seaweedfs/seaweedfs/pull/9439","https://github.com/seaweedfs/seaweedfs/commit/05ed5c9ae8a2a45101b52b61d02f170d20d587ff","https://github.com/seaweedfs/seaweedfs","https://github.com/seaweedfs/seaweedfs/releases/tag/4.24"],"sourceUrl":"https://github.com/advisories/GHSA-gv5w-hfx8-8cwq","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-gv5w-hfx8-8cwq","identifiers":["GHSA-gv5w-hfx8-8cwq","BIT-seaweedfs-2026-72921","CVE-2026-72921","GO-2026-6361"]},"retained":false,"historicalAffected":[]},{"revision":"de1cfeb5434b48f0a248033d80169c4e","observedAt":"2026-10-24T13:19:41.952+00:00","statement":{"source":"osv","id":"GO-2026-6361","aliases":["BIT-seaweedfs-2026-72921","CVE-2026-72921","GHSA-gv5w-hfx8-8cwq"],"title":"SeaweedFS: Filer JWT allowed_prefixes literal prefix match allows cross-tenant access to sibling paths in github.com/seaweedfs/seaweedfs","description":"SeaweedFS: Filer JWT allowed_prefixes literal prefix match allows cross-tenant access to sibling paths in github.com/seaweedfs/seaweedfs","state":0,"publishedAt":"2026-09-10T14:48:42+00:00","modifiedAt":"2026-09-10T15:25:33.0765151+00:00","affected":[{"ecosystem":"Go","name":"github.com/seaweedfs/seaweedfs","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"0.0.0-20260512171048-05ed5c9ae8a2"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[],"references":["https://github.com/seaweedfs/seaweedfs/security/advisories/GHSA-gv5w-hfx8-8cwq","https://nvd.nist.gov/vuln/detail/CVE-2026-72921","https://github.com/seaweedfs/seaweedfs/commit/05ed5c9ae8a2a45101b52b61d02f170d20d587ff","https://github.com/seaweedfs/seaweedfs/pull/9439","https://github.com/seaweedfs/seaweedfs/releases/tag/4.24"],"sourceUrl":"https://osv.dev/vulnerability/GO-2026-6361","license":"OSV · upstream source license applies","key":"osv:GO-2026-6361","identifiers":["GO-2026-6361","BIT-seaweedfs-2026-72921","CVE-2026-72921","GHSA-gv5w-hfx8-8cwq"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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