Read the docs
TI-2026-03324 Aliases CVE-2026-3838GHSA-fx8c-7359-vxr3

Path traversal in Unraid

Priority MEDIUM 42CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · CNA. Fix status from CNA.

Summary

Unraid Update Request Path Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Unraid. Authentication is required to exploit this vulnerability. The specific flaw exists within the update.php file. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-28951.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0089 59th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnraidUnraid7.2.3—No fix listedCNA
  • Unraid VendorUnraid Affected 7.2.3 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:unraid:unraid:7.2.3:*:*:*:*:*:*:*7.2.3VulnerableUnraid
  • cpe:2.3:o:unraid:unraid:7.2.3:*:*:*:*:*:*:* Versions 7.2.3 Vulnerable ·Unraid

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-3838
  2. 2026-10-03 Alias added: GHSA-fx8c-7359-vxr3

References

Advisory 1

  • TI-2020-04767 Unraid through 6.8.0 allows Remote Code Execution. KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-04768 Unraid 6.8.0 allows authentication bypass. KEVCVSS 3.1HIGH 7.5
  • TI-2026-08564 OS command injection in Unraid CVSS 3.0HIGH 8.8
  • TI-2026-08563 OS command injection in Unraid CVSS 3.0HIGH 8.8
  • TI-2026-03325 Path traversal in Unraid CVSS 3.0HIGH 7.3

Sources