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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.

PUBLISHED Reserved 2026-03-09 | Published 2026-03-13 | Updated 2026-03-13 | Assigner zdi




HIGH: 7.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Problem types

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Product status

Default status
unknown

7.2.3
affected

References

www.zerodayinitiative.com/advisories/ZDI-26-172/ (ZDI-26-172)

cve.org (CVE-2026-3839)

nvd.nist.gov (CVE-2026-3839)

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