CVE-2026-3839
Unraid Authentication Request Path Traversal Authentication Bypass Vulnerability
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.
INFO
Published Date :
March 13, 2026, 8:38 p.m.
Last Modified :
March 13, 2026, 8:38 p.m.
Remotely Exploit :
No
Source :
zdi
Affected Products
The following products are affected by CVE-2026-3839
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.0 | HIGH | 99f1926a-a320-47d8-bbb5-42feb611262e |
Solution
- Update Unraid to the latest version.
- Apply vendor patches for auth-request.php.
- Validate user input for path handling.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-3839 vulnerability anywhere in the article.