Auth bypass in Seaweedfs
CVE-2026-72920
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 fil…
Vulnerability class: Broken Authentication
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Seaweedfs — versions < 4.24
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-72920?
- CVE-2026-72920 is a critical-severity vulnerability in Seaweedfs, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2026-08-11.
- How severe is CVE-2026-72920?
- Critical severity. CVSS v3 base score is 9.8 out of 10.