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High severity8.8NVD Advisory· Published Mar 16, 2026· Updated Jun 17, 2026

CVE-2026-3838

CVE-2026-3838

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Unraid/Unraid3 versions
    cpe:2.3:o:unraid:unraid:7.2.3:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:unraid:unraid:7.2.3:*:*:*:*:*:*:*
    • (no CPE)
    • (no CPE)range: 7.2.3

Patches

Vulnerability mechanics

References

1

News mentions

1