{"cve":"CVE-2026-55873","nvd":{"published":"2026-07-08T15:16:30.190","modified":"2026-07-08T16:16:31.177","status":"Deferred","description":"SeaweedFS is a distributed storage system. In versions 4.08 through 4.33, requests signed with SigV4 service s3tables are routed to the S3Tables management API where authorization collapses account-less S3 identities into the shared admin account and fails open, allowing an authenticated low-privileged S3 user to enumerate administrator-owned table bucket names and ARNs. This issue is fixed in version 4.34.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","score":4.3},"cwes":["CWE-863"],"references":["https://github.com/seaweedfs/seaweedfs/commit/b13463880c1fa62e255c058a9228b63cc95b4b36","https://github.com/seaweedfs/seaweedfs/pull/9961","https://github.com/seaweedfs/seaweedfs/releases/tag/4.34","https://github.com/seaweedfs/seaweedfs/security/advisories/GHSA-hgpf-8634-g44c"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:42:16.820116992+00:00"},"epss":{"cve":"CVE-2026-55873","score":0.00342,"percentile":0.27772,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-hgpf-8634-g44c","url":"https://osv.dev/vulnerability/GHSA-hgpf-8634-g44c","summary":"SeaweedFS: Improper authorization in the S3Tables / Iceberg REST management API lets a low-privileged S3 user enumerate administrator-owned table buckets","modified":"2026-09-02T19:55:26.604070243Z","packages":[{"ecosystem":"Go","name":"github.com/seaweedfs/seaweedfs","purl":"pkg:golang/github.com/seaweedfs/seaweedfs","ranges":[">=0.0.0-20260128085517-09bb90e8dc16 <0.0.0-20260614205536-b13463880c1f"],"fixed":["0.0.0-20260614205536-b13463880c1f"]}]},{"id":"GO-2026-6329","url":"https://osv.dev/vulnerability/GO-2026-6329","summary":"SeaweedFS: Improper authorization in the S3Tables / Iceberg REST management API lets a low-privileged S3 user enumerate administrator-owned table buckets in github.com/seaweedfs/seaweedfs","modified":"2026-09-02T19:55:26.604070243Z","packages":[{"ecosystem":"Go","name":"github.com/seaweedfs/seaweedfs","purl":"pkg:golang/github.com/seaweedfs/seaweedfs","ranges":[">=0.0.0-20260128085517-09bb90e8dc16 <0.0.0-20260614205536-b13463880c1f"],"fixed":["0.0.0-20260614205536-b13463880c1f"]}]}],"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."]}