CVE-2026-72838

MEDIUM

CVE: CVE-2026-72838 - FileBrowser versions before 2Sign in to save

CVSS

6.5

CVSS v3.1

EPSS

N/A

Exploit Prediction Score

Published

August 14, 2026

Exploitability

No EPSS data available

Description

FileBrowser versions before 2.63.19 fail to enforce the declared Upload-Length in the TUS resumable-upload PATCH endpoint, allowing authenticated users to write arbitrary data to disk. Attackers can send oversized request bodies that exceed the declared upload length to exhaust available disk space and cause service unavailability.

Weaknesses

CWE-770

Affected Packages

No package data available.

Aliases

CVE-2026-72838

Related references

Publisher and database URLs for this record (shown for attribution; reading stays in Bugflare).

https://github.com/filebrowser/filebrowser/commit/4daddec6f200b03a721197d8c0b4b652c994894e
https://github.com/filebrowser/filebrowser/security/advisories/GHSA-ffv3-7h97-993q
https://www.vulncheck.com/advisories/filebrowser-before-disk-exhaustion-via-tus-upload