Is CVE-2026-3838 actively exploited?

No active exploitation of CVE-2026-3838 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-3838 be exploited remotely?

Yes. CVE-2026-3838 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-3838?

CVE-2026-3838 has a CVSS score of 8.8 (HIGH).

HOME VULNERABILITIESCVE-2026-3838

HIGH

CVE-2026-3838

CWE-22Published: March 16, 2026· Updated: Mar 17, 2026

8.8

CVSS v3.1

EPSS:1.17%probability of exploitation in 30 daysPercentile:78.4th

Official Description

Unraid Update Request Path Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Unraid. Authentication is required to exploit this vulnerability.

The specific flaw exists within the update.php file. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-28951.

NVD Source

Technical Analysis

CVE-2026-3838 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 complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.