CVE-2026-72920CWE-306

CVE-2026-72920

Critical · published August 11, 2026

CVSS v3.1
9.8
EPSS
1%
Percentile
55.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00779 · 55.4th percentile
Weakness
CWE-306 · Missing Authentication for Critical Function
Published
2026-08-11T19:17Z
References (4)
https://github.com/seaweedfs/seaweedfs/commit/5e8f99f40a8abc7b449aefd260516443377041c7 · [email protected]https://github.com/seaweedfs/seaweedfs/pull/9442 · [email protected]https://github.com/seaweedfs/seaweedfs/releases/tag/4.24 · [email protected]https://github.com/seaweedfs/seaweedfs/security/advisories/GHSA-2v6v-25fm-p4fg · [email protected]
EPSS history
Timeline
  • 11 AUG 14:23Z
    SeaweedFS: Unauthenticated filer IAM gRPC service grants S3 administrative control
    cvelistv5