CVE-2026-82238

filebrowser 2.24.0 Race Condition via TUS concurrent PATCH uploads

LOW
3.1
CVSS Score
Published: August 28, 2026 at 10:49 AM UTC
Updated: September 30, 2026 at 06:18 PM UTC
1 product affected across 1 vendorFilebrowser

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Severity
LOW3.1
Exploit prediction
EPSS 0.2%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

2.24.0 ≤ v ≤ 2.63.232.24.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

3.1LOWVulnCheck
Attack Vector
NETWORK
Complexity
HIGH
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-367

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