What’s Vulnerable › Vulnerabilities

CVE-2025-52901: File Browser allows sensitive data to be transferred in URL

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-06-30 · updated 2026-06-17
• Weakness: CWE-598

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. Prior to version 2.33.9, access tokens are used as GET parameters. The JSON Web Token (JWT) which is used as a session identifier will get leaked to anyone having access to the URLs accessed by the user. This will give an attacker full access to a user's account and, in consequence, to all sensitive files the user has access to. This issue has been patched in version 2.33.9.

Affected products

• filebrowser: through 2.33.0

References

• https://github.com/filebrowser/filebrowser/commit/d5b39a14fd3fc0d1c364116b41289484df7c27b2
• https://github.com/filebrowser/filebrowser/releases/tag/v2.33.9
• https://github.com/filebrowser/filebrowser/security/advisories/GHSA-rmwh-g367-mj4x
• https://github.com/sbaresearch/advisories/tree/public/2025/SBA-ADV-20250327-03_Filebrowser_Sensitive_Data_Transferred_In_URL

Get alerted when CVE-2025-52901 or the next vulnerability affects your stack