CVE-2026-90929 File Browser - Broken Access Control

File Browser >= 2.5.0 and <= 2.63.23 contains an incorrect authorization flaw in the direct-upload endpoint caused by improper permission checks during cleanup, letting authenticated non-admin users delete unauthorized directories within their scope, exploit requires authenticated user with Create and Modify permissions.

CVSS base score 8.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.44% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Data Tampering, Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Published
14 September 2026
Updated
15 October 2026
Weakness
CWE-863

Vendor fix

Update to a fixed version when available or apply patches addressing authorization checks in direct-upload endpoint.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

← All CVEs