CVE-2025-53826CRITICAL 9.8EPSS p38.7%

CVE-2025-53826CVE-2025-53826

Description

File Browser provides a file managing interface within a specified directory and it can be used to upload, delete, preview, rename, and edit files. In version 2.39.0, File Browser’s authentication system issues long-lived JWT tokens that remain valid even after the user logs out. As of time of publication, no known patches exist.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.50% probability of exploitation · percentile 38.7% · 2026-06-18T12:00:27Z
Published2025-07-15
Last modified2025-08-05

Underlying weaknesses· 3

CWE-305CWE-385CWE-613

References

  1. https://github.com/filebrowser/filebrowser/issues/5216
  2. https://github.com/filebrowser/filebrowser/security/advisories/GHSA-7xwp-2cpp-p8r7
  3. https://github.com/filebrowser/filebrowser/security/advisories/GHSA-7xwp-2cpp-p8r7

3

TypeTargetConfidenceTier
WeaknessAuthentication Bypass by Primary Weaknesscwe-3050%live
WeaknessCovert Timing Channelcwe-3850%live
WeaknessInsufficient Session Expirationcwe-6130%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.