Is CVE-2026-33329 actively exploited?

No active exploitation of CVE-2026-33329 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-33329 be exploited remotely?

Yes. CVE-2026-33329 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-33329?

CVE-2026-33329 has a CVSS score of 8.1 (HIGH).

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HIGH

CVE-2026-33329

CWE-22Published: March 24, 2026· Updated: Mar 26, 2026

8.1

CVSS v3.1

EPSS:0.05%probability of exploitation in 30 daysPercentile:16.2th

Official Description

FileRise is a self-hosted web file manager / WebDAV server. From version 1.0.1 to before version 3.10.0, the resumableIdentifier parameter in the Resumable.js chunked upload handler (UploadModel::handleUpload()) is concatenated directly into filesystem paths without any sanitization. An authenticated user with upload permission can exploit this to write files to arbitrary directories on the server, delete arbitrary directories via the post-assembly cleanup, and probe file/directory existence. This issue has been patched in version 3.10.0.

NVD Source

Technical Analysis

CVE-2026-33329 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.1.