High severity7.5NVD Advisory· Published Nov 3, 2026· Updated Nov 3, 2026
CVE-2026-121555
CVE-2026-121555
Description
Foxel through 2.4.0 contains a missing authentication vulnerability that allows unauthenticated attackers to read files by requesting the /api/fs/stream and /api/fs/thumb endpoints. Attackers can supply a VFS mount prefix and relative path to retrieve full file contents or thumbnails across all mounts, bypassing PathRule permission grants.
Affected products
1- Range: <=2.4.0
Patches
Vulnerability mechanics
References
5- github.com/DrizzleTime/Foxel/blob/v2.4.0/api/routers.pynvd
- github.com/DrizzleTime/Foxel/blob/v2.4.0/domain/virtual_fs/api.pynvd
- github.com/DrizzleTime/Foxel/commit/73d9fa825e1004d37abb7b10faea0cd7f5bcb463nvd
- github.com/DrizzleTime/Foxel/issues/152nvd
- www.vulncheck.com/advisories/foxel-through-2.4.0-unauthenticated-file-read-via-api-fs-stream-and-api-fs-thumbnvd
News mentions
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