What’s Vulnerable › Vulnerabilities

CVE-2026-35604: File Browser share links remain accessible after Share/Download permissions are revoked

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-04-07 · updated 2026-06-17
• Weakness: CWE-863

Description

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.1, when an admin revokes a user's Share and Download permissions, existing share links created by that user remain fully accessible to unauthenticated users. The public share download handler does not re-check the share owner's current permissions. This vulnerability is fixed in 2.63.1.

Affected products

• filebrowser: before 2.63.1 — fixed in 2.63.1

How to fix

Upgrade to a fixed version: filebrowser 2.63.1. Check the vendor advisory for mitigations.

References

• https://github.com/filebrowser/filebrowser/pull/5888
• https://github.com/filebrowser/filebrowser/security/advisories/GHSA-v9w4-gm2x-6rvf

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