Foxel through 2.4.0 contains a missing authentication vulnerability that allows unauthenticated attackers to read
Source GCVE Database
Not known to be exploited · CVSS 8.7 High.
Data as of 3 Nov 2026, 19:43 UTC
Thin evidence
One scorer or none| CNA (VulnCheck) | CVSS 4.0 | 8.7 |
|---|---|---|
| CNA (VulnCheck) | CVSS 3.1 | 7.5 |
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 3 Nov 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 3 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| DrizzleTimeFoxel | Affected
| Fixed in– |
GitHubFoxelpkg:github/FoxelOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Until a fix is available, restrict access to the /api/fs/stream and /api/fs/thumb endpoints to trusted users or networks to prevent unauthenticated access. Monitor for vendor updates and apply official patches once released.
Description
Foxel versions up to 2.4.0 have a missing authentication vulnerability that permits unauthenticated attackers to read arbitrary files. This occurs via the /api/fs/stream and /api/fs/thumb endpoints, where attackers can specify a VFS mount prefix and relative path to access full file contents or thumbnails, bypassing PathRule permission controls.
References
- nvd.nist.gov/vuln/detail/CVE-2026-121555 (opens in a new tab)
- github.com/DrizzleTime/Foxel/issues/152 (opens in a new tab)
- github.com/DrizzleTime/Foxel/commit/73d9fa825e1004d37abb7b10faea0cd7f5bcb463 (opens in a new tab)
- github.com/DrizzleTime/Foxel (opens in a new tab)
- github.com/DrizzleTime/Foxel/blob/v2.4.0/api/routers.py (opens in a new tab)
- github.com/DrizzleTime/Foxel/blob/v2.4.0/domain/virtual_fs/api.py (opens in a new tab)
- vulncheck.com/advisories/foxel-through-2.4.0-unauthenticated-file-read-via-api-fs-stream-and-api-fs-thumb (opens in a new tab)