CVE-2026-90928

EUVD-2026-77446
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
VulnCheckCNA
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
filebrowserfilebrowser
𝑥
≤ 2.63.23
CNA
Common Weakness Enumeration
References
https://github.com/filebrowser/filebrowser/security/advisories/GHSA-448h-jr2h-3vhp
https://www.vulncheck.com/advisories/file-browser-through-2.63.23-memory-exhaustion-via-subtitle-endpoint
https://github.com/filebrowser/filebrowser/security/advisories/GHSA-448h-jr2h-3vhp