CVE-2026-72921

Summary

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.

Affected Software

Weaknesses

• CWE-863: CWE-863: Incorrect Authorization

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

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