SB2026102648 - Multiple vulnerabilities in NoMachine

Description

This security bulletin contains information about 2 vulnerabilities.

1) Incorrect permission assignment for critical resource (CVE-ID: CVE-2026-111184)

CWE-ID: CWE-732 - Incorrect Permission Assignment for Critical Resource

CVSSv4: 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]

The vulnerability allows a local user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to incorrect permissions on a named pipe within the NoMachine Device Service. A local user can execute arbitrary code on the target system with elevated privileges.

2) Unquoted Search Path or Element (CVE-ID: CVE-2026-111185)

CWE-ID: CWE-428 - Unquoted Search Path or Element

CVSSv4: 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]

The vulnerability allows a local user to compromise the target system.

The vulnerability exists due to uncontrolled search path or element. A local user can execute arbitrary code on the target system with elevated privileges.

Remediation

Install update from vendor's website.

References

• https://www.zerodayinitiative.com/advisories/ZDI-26-773/
• https://kb.nomachine.com/TR08X11946
• https://www.zerodayinitiative.com/advisories/ZDI-26-774/
• https://kb.nomachine.com/TR08X11947