Vulnerability · Published Jun 10, 2026 · Assigned by CIRCL
CVE-2026-53694Potential local privileges escalation through argument injection in the nxchmod.sh script
High 7.3
In plain English
A high-severity argument injection in NoMachine from NoMachine. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS 4.0)7.3High
Exploit odds (30 days)0.1%top 97.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC
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.
Affected products (as reported)
Weakness: CWE-88 · Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
References
- https://kb.nomachine.com/SU05X00274 release-notes
- https://kb.nomachine.com/SU05X00275 release-notes