{"cve":"CVE-2026-72920","nvd":{"published":"2026-08-11T15:17:38.053","modified":"2026-09-09T20:46:02.457","status":"Deferred","description":"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 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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-306"],"references":["https://github.com/seaweedfs/seaweedfs/commit/5e8f99f40a8abc7b449aefd260516443377041c7","https://github.com/seaweedfs/seaweedfs/pull/9442","https://github.com/seaweedfs/seaweedfs/releases/tag/4.24","https://github.com/seaweedfs/seaweedfs/security/advisories/GHSA-2v6v-25fm-p4fg"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:47:54.990491175+00:00"},"epss":{"cve":"CVE-2026-72920","score":0.00779,"percentile":0.55917,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-2v6v-25fm-p4fg","url":"https://osv.dev/vulnerability/GHSA-2v6v-25fm-p4fg","summary":"SeaweedFS: Unauthenticated filer IAM gRPC service grants S3 administrative control","modified":"2026-09-10T15:26:01.399739050Z","packages":[{"ecosystem":"Go","name":"github.com/seaweedfs/seaweedfs","purl":"pkg:golang/github.com/seaweedfs/seaweedfs","ranges":["<0.0.0-20260512171108-5e8f99f40a8a"],"fixed":["0.0.0-20260512171108-5e8f99f40a8a"]}]},{"id":"GO-2026-6351","url":"https://osv.dev/vulnerability/GO-2026-6351","summary":"SeaweedFS: Unauthenticated filer IAM gRPC service grants S3 administrative control in github.com/seaweedfs/seaweedfs","modified":"2026-09-10T15:26:01.399739050Z","packages":[{"ecosystem":"Go","name":"github.com/seaweedfs/seaweedfs","purl":"pkg:golang/github.com/seaweedfs/seaweedfs","ranges":["<0.0.0-20260512171108-5e8f99f40a8a"],"fixed":["0.0.0-20260512171108-5e8f99f40a8a"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}