CVE-2026-5055 NoMachine Uncontrolled Search Path Element Local Privilege Escalation Vulnerability
Local attackers can escalate privileges to SYSTEM by exploiting an uncontrolled search path in NoMachine Device Server.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-5055?
CVE-2026-5055 is a high-severity vulnerability in NoMachine, published on 11 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
NoMachine Uncontrolled Search Path Element Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of NoMachine. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
The specific flaw exists within the NoMachine Device Server. The product loads a library from an unsecured location. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-28494.
Weakness: CWE-427
Which versions are affected by CVE-2026-5055?
It affects 1 product.
Products include Nomachine Nomachine.
How do I fix CVE-2026-5055?
No fix has been published for CVE-2026-5055 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-5055 being exploited?
There is no known exploitation of CVE-2026-5055 in the wild and no public exploit code.
Other vulnerabilities in NoMachine
- CVE-2018-0664 Other in NoMachine App for Android
- CVE-2023-39107 Path traversal in n/a
- CVE-2017-12763 Privilege escalation in n/a
- CVE-2026-5054 NoMachine External Control of File Path Local Privilege Escalation Vulnerability
- CVE-2025-8614 NoMachine Uncontrolled Search Path Element Local Privilege Escalation Vulnerability
Sources
Also known as GHSA-cfcr-ph9h-pgwq.