CVE-2026-55873 PUBLISHED

SeaweedFS: Improper authorization in the S3Tables / Iceberg REST management API lets a low-privileged S3 user enumerate administrator-owned table buckets

Assigner: GitHub_M
Reserved: 17.06.2026 Published: 08.07.2026 Updated: 08.07.2026

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.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS Score: 4.3

Product Status

Vendor seaweedfs
Product seaweedfs
Versions
  • Version >= 4.08, < 4.34 is affected

References

Problem Types

  • CWE-863: Incorrect Authorization CWE