CVE-2026-90928: Filebrowser

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

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.

Affected products

• Filebrowser Filebrowser: up to and including 2.63.23

Published 2026-09-14. Last modified 2026-09-24.