HIGHCVSS v3.1 7.5Vulnerability

CVE-2026-121555

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.

Properties

Severity
HIGH
Nvd fetched at
2026-11-03T17:20:13.885968+00:00
Cvss severity
HIGH
Cvss score
7.5
Retrieved at
2026-11-03T17:21:18+00:00
Score
7.5
Cvss version
3.1
Last source
NVD
Cve id
CVE-2026-121555
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
First seen by Signal
2026-11-03T17:21:18+00:00
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published at
2026-11-03T16:17:27.800
Last modified
2026-11-03T16:30:49.290

Related Entities (1)

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CVE-2026-121555 (CVSS v3.1 7.5) — Ninja Signal Threat Intelligence | Ninja Signal