{"id":"CVE-2026-72920","title":"SeaweedFS is a distributed storage system","summary":"SeaweedFS is a distributed storage system. Prior to 4.24, the filer registers the SeaweedIdentityAccessManagement gRPC service without mandatory authentication when jwt.filer_signing.key is unset, allowing any client that can reach the f…","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":"seaweedfs","product":"github.com/seaweedfs/seaweedfs","affected":["github.com/seaweedfs/seaweedfs < 0.0.0-20260512171108-5e8f99f40a8a"],"patched":["github.com/seaweedfs/seaweedfs 0.0.0-20260512171108-5e8f99f40a8a"],"published":"2026-08-11","updated":"2026-09-09","sourceUpdated":"2026-09-09T20:46:02.457","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-72920","references":[{"url":"https://github.com/seaweedfs/seaweedfs/commit/5e8f99f40a8abc7b449aefd260516443377041c7","label":"security-advisories@github.com"},{"url":"https://github.com/seaweedfs/seaweedfs/pull/9442","label":"security-advisories@github.com"},{"url":"https://github.com/seaweedfs/seaweedfs/releases/tag/4.24","label":"security-advisories@github.com"},{"url":"https://github.com/seaweedfs/seaweedfs/security/advisories/GHSA-2v6v-25fm-p4fg","label":"security-advisories@github.com"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72920"},{"url":"https://github.com/advisories/GHSA-2v6v-25fm-p4fg"},{"url":"https://github.com/seaweedfs/seaweedfs"}],"tags":["nvd","ghsa","go","osv"],"epss":0.00408,"epssPercentile":0.34864,"aliases":["GHSA-2v6v-25fm-p4fg","BIT-seaweedfs-2026-72920","GO-2026-6351"],"ecosystem":"go","ingestedAt":"2026-09-02T15:46:30.051Z","slug":"CVE-2026-72920","body":"## Overview\n\nSeaweedFS is a distributed storage system. Prior to 4.24, the filer registers the SeaweedIdentityAccessManagement gRPC service without mandatory authentication when jwt.filer_signing.key is unset, allowing any client that can reach the filer gRPC port to invoke CreateUser, CreateAccessKey, PutPolicy, and related IAM RPCs to mint credentials and gain S3 administrative control. This issue is fixed in versions 4.24.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Package advisory (CVE-2026-72920)\n\nAffected packages:\n\n- `github.com/seaweedfs/seaweedfs < 0.0.0-20260512171108-5e8f99f40a8a`\n\nPatched in:\n\n- `github.com/seaweedfs/seaweedfs 0.0.0-20260512171108-5e8f99f40a8a`\n\nSource: https://github.com/advisories/GHSA-2v6v-25fm-p4fg","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}