What is CVE-2026-3839?

CVE-2026-3839 is a high-severity vulnerability in Unraid, classified under Path Traversal. CVSS score: 7.3/10. Published 2026-03-13.

How severe is CVE-2026-3839?

High severity. CVSS v3 base score is 7.3 out of 10.

Path Traversal in Unraid

CVE-2026-3839

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 vulne…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.008 (74.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Unraid — versions 7.2.3

Weakness classification (CWE)

CWE-22 — Path Traversal

References

ZDI-26-172 (x_research-advisory)

Frequently asked questions

What is CVE-2026-3839?: CVE-2026-3839 is a high-severity vulnerability in Unraid, classified under Path Traversal. CVSS score: 7.3/10. Published 2026-03-13.
How severe is CVE-2026-3839?: High severity. CVSS v3 base score is 7.3 out of 10.