CVE-2026-90928

HIGH CVSS 4.0: 7.1 EPSS 0.30%
Updated Sep 14, 2026
Filebrowser
Parameter Value
CVSS 7.1 (HIGH)
Affected Versions before 2.63.23
Type CWE-400 (Uncontrolled Resource Consumption)
Vendor Filebrowser
Public PoC No

File Browser through 2.63.23 contains a memory exhaustion vulnerability in the subtitle conversion endpoint that loads entire subtitle files into memory without size limits. Authenticated attackers with download permission can request conversion of large .srt, .ass, or .ssa files and exhaust server memory through concurrent requests, causing denial of service.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service

CVSS Vector v4.0

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Filebrowser Filebrowser
cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:*
<= 2.63.23