High severity7.3NVD Advisory· Published Mar 16, 2026· Updated Jun 17, 2026
CVE-2026-3839
CVE-2026-3839
Description
Unraid Authentication Request Path Traversal Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of Unraid. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the auth-request.php file. The issue results from the lack of proper validation of a user-supplied path prior to using it in authentications. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-28912.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3Patches
Vulnerability mechanics
References
1- www.zerodayinitiative.com/advisories/ZDI-26-172/nvdThird Party Advisory
News mentions
1- ZDI-26-172: Unraid Authentication Request Path Traversal Authentication Bypass VulnerabilityZero Day Initiative · Mar 9, 2026