Untrusted search path in aznfs - CVE-2026-105494

 

Untrusted search path in aznfs - CVE-2026-105494

Published: November 10, 2026


Vulnerability identifier: #VU164631
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-105494
CWE-ID: CWE-426
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to gain root privileges and execute arbitrary code.

The vulnerability exists due to an untrusted search path in Azure NFS mount helper (aznfs) when resolving programs to execute. A local user can influence program resolution through an attacker-controlled search location to execute arbitrary code with root privileges.


Affected software

aznfs

How to mitigate CVE-2026-105494

Install security update from vendor's website.

aznfs - update to 3.0.20

External References