Medium severity6.5NVD Advisory· Published Sep 14, 2026

CVE-2026-90928

Description

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.

Patches

Vulnerability mechanics

References

github.com/filebrowser/filebrowser/security/advisories/GHSA-448h-jr2h-3vhpnvd
www.vulncheck.com/advisories/file-browser-through-2.63.23-memory-exhaustion-via-subtitle-endpointnvd

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