CVE-2026-90928CWE-400denial-of-service

CVE-2026-90928

Medium · published September 14, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
36.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
7.1 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
EPSS
0.00436 · 36.8th percentile
Weakness
CWE-400 · Uncontrolled Resource Consumption
Published
2026-09-14T17:19Z
References (3)
https://github.com/filebrowser/filebrowser/security/advisories/GHSA-448h-jr2h-3vhp · [email protected]https://www.vulncheck.com/advisories/file-browser-through-2.63.23-memory-exhaustion-via-subtitle-endpoint · [email protected]https://github.com/filebrowser/filebrowser/security/advisories/GHSA-448h-jr2h-3vhp · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 17 SEP 03:33Z
    EPSS moved — → 0%
    epss
  • 14 SEP 12:48Z
    File Browser through 2.63.23 Memory Exhaustion via subtitle endpoint
    cvelistv5