CVE-2026-90928

medium

File Browser through 2.63.23 contains a memory exhaustion vulnerability in the subtitle conversion endpoint that loads entire subtitle files into memory withou…

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.

CVSS

6.5

6.5 (CVSS v3.1)

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity source: NVD CVSS v3.1 (disclosure@vulncheck.com)

Timeline (UTC)

Published: 2026-09-14 13:19

Modified: 2026-09-24 20:44

NVD status: Awaiting Analysis

Last synced 1 day ago

Verified against the source API 2026-10-27 06:52 UTC

Exploitation

Not listed in CISA KEV (as of last catalog sync)

Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

Not reported by the source (unknown — not "none").

Weakness classification (CWE)

CWE-400

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

No vendor advisory or patch reference tagged by NVD. Check the references below.

References

https://github.com/filebrowser/filebrowser/security/advisories/GHSA-448h-jr2h-3vhp disclosure@vulncheck.com
https://www.vulncheck.com/advisories/file-browser-through-2.63.23-memory-exhaustion-via-su... disclosure@vulncheck.com
https://github.com/filebrowser/filebrowser/security/advisories/GHSA-448h-jr2h-3vhp 134c704f-9b21-4f2e-91b3-4a467353bcc0

Data sources

NVD CVE API 2.0 — fetched 2026-10-27 06:52 UTC · record ↗

Learn the basics

Understanding CVEs and CVSS Scores