Vulnerabilities CVE-2026-72921

CVE-2026-72921

High

Open

TLP:CLEAR

SeaweedFS: Filer JWT allowed_prefixes literal prefix match allows cross-tenant access to sibling paths

NVD CVE.org

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Description

SeaweedFS is a distributed storage system. Prior to 4.24, the weed/server/filer_server_handlers.go allowed_prefixes authorization check used strings.HasPrefix on raw path strings, so a filer JWT scoped to /tenant1 also authorized sibling paths such as /tenant1234, /tenant1-old, and /tenant1backup, enabling cross-tenant reads and writes with a valid scoped token. This issue is fixed in version 4.24.

Details

CVSS Score: 8.1
EPSS Score ⓘ: 0.24%

15th percentile
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Confidence: 90%
Published: Aug 11, 2026
Last Modified: Aug 13, 2026

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