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CVE-2026-3839

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CVE-2026-3839

Published: Mar 13, 2026

Modified: Mar 16, 2026

PUBLISHED

CVSS v3.0

7.3

HIGH

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.

VendorProductVersions

Unraid

Unraid

affected
7.2.3

Weaknesses (CWE)

CWE-22

CVSS v3.0 Details

CVSS v3.0 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

References

ZDI-26-172
x_research-advisory

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