CVE-2026-72838

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.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
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

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-14 12:16

Updated : 2026-09-08 20:32

NVD link : CVE-2026-72838

Mitre link : CVE-2026-72838

CVE.ORG link : CVE-2026-72838

JSON object : View

Products Affected

No product.

CWE

CWE-770

Allocation of Resources Without Limits or Throttling

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