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Fencer Vulns
high 8.1

CVE-2025-52995 json

File Browser vulnerable to command execution allowlist bypass

published 2025-06-30 16 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-19580 , GHSA-w7qc-6grj-w7r8 , GO-2025-3795

cvss
8.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 50%
public exploits
0
none known

Summary

File Browser provides a file managing interface within a specified directory and it can be used to upload, delete, preview, rename and edit files. Prior to version 2.33.10, the implementation of the allowlist is erroneous, allowing a user to execute more shell commands than they are authorized for. The concrete impact of this vulnerability depends on the commands configured, and the binaries installed on the server or in the container image. Due to the missing separation of scopes on the OS-level, this could give an attacker access to all files managed the application, including the File Browser database. This issue has been patched in version 2.33.10.

Patch / fix

  • go github.com/filebrowser/filebrowser/v2 2.33.10
  • filebrowser filebrowser 2.33.10
  • govulncheck-vulndb openSUSE Tumbleweed 0.0.20250730T213748-1.1

opensuse advisories openSUSE-SU-2025:15405-1

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
total
Assessed
16 mo ago

Exploit prediction

0.64% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/filebrowser/filebrowser/security/advisories/GHSA-w7qc-6grj-w7r8 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 8.1 CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
GitHub 3.1 8.0 CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
NVD 3.1 6.6 CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
go github.com/filebrowser/filebrowser/v2
<2.33.10
2.33.10
go github.com/filebrowser/filebrowser
<=1.11.0
all versions
 no fix listed

Affected products

  • filebrowser filebrowser

Classification

Weakness
  • CWE-77 Improper Neutralization of Special Elements used in a Command

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.