filebrowser 2.24.0 Race Condition via TUS concurrent PATCH uploads
filebrowser from version 2.24.0 contains a race condition in the TUS upload handler that allows authenticated users to write past the declared Upload-Length by sending concurrent PATCH requests. Attackers can send multiple simultaneous PATCH requests at the same offset to bypass length validation, resulting in files that exceed their declared size and triggering completion hooks for oversized uploads.
CVE-2026-82238
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-82238
filebrowser
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "filebrowser",
"product": "filebrowser",
"versions": [
{
"status": "affected",
"version": "2.24.0",
"versionType": "semver",
"lessThanOrEqual": "2.63.23"
}
],
"packageURL": "pkg:golang/github.com/filebrowser/filebrowser/v2",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-82238
Source reference:
/cveMetadata/cveId
Publisher severity
low
Source reference: /containers/cna/metrics
- Event
- #4771 · Revision 1
- Added to Heist Feed
- Publisher date