Vulnerability details
CVE-2026-54094
filebrowser filebrowser
File Browser: Symlink following lets scoped users read, overwrite, and share files outside their filebrowser scope
CVSS 3.1
7.5High
Official description
File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.14, it does not stop the HTTP file handlers from following symbolic links before they open, serve, write, share, or list a file. As a result, a scoped user — and in some cases an unauthenticated public-share recipient — can cross the intended scope boundary by following a symlink whose path is lexically inside their scope but whose target is outside it. This vulnerability is fixed in 2.63.14.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.5High | 3.1 | CVEProject cvelistV5 (CNA) (GitHub_M) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| filebrowser | filebrowser | < 2.63.14 | CVEProject cvelistV5 (CNA) |
References and advisories
1
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Details
- Published
- 2026-06-25
- Last updated
- 2026-06-25
- State
- Published
- Assigner (CNA)
- GitHub_M
Exploit prediction (EPSS)
0.5%
Probability of exploitation in 30 days
43.2%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- Proof of concept
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
- CWE-59Improper Link Resolution Before File Access ('Link Following')