CVE-2026-53694 Potential local privileges escalation through argument injection in the nxchmod.sh script
Local attackers can escalate privileges via argument injection in the nxchmod.sh script of NoMachine remote desktop software.
- 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-2026-53694?
CVE-2026-53694 is a high-severity command injection vulnerability in NoMachine, published on 10 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Improper Neutralization of Argument Delimiters in a Command ('Argument Injection') vulnerability in Nomachine allows Argument Injection.This issue affects Nomachine: before 9.5.7, before 8.23.2.
Weakness: CWE-88
Which versions are affected by CVE-2026-53694?
How do I fix CVE-2026-53694?
No fix has been published for CVE-2026-53694 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-53694 being exploited?
There is no known exploitation of CVE-2026-53694 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-pph3-cx78-q9jc.