# CVE-2026-90928

## Summary

- **CVE ID:** CVE-2026-90928
- **Severity:** HIGH
- **CVSS Score:** 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)
- **CWE:** CWE-400
- **Published:** Sep 14, 2026
- **Last Modified:** Sep 14, 2026

## 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.

## Affected Products

- filebrowser — filebrowser (0)

## References

- [CNA](https://github.com/filebrowser/filebrowser/security/advisories/GHSA-448h-jr2h-3vhp)
- [CNA](https://www.vulncheck.com/advisories/file-browser-through-2.63.23-memory-exhaustion-via-subtitle-endpoint)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.30%
- **EPSS Percentile:** 22.8

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._