CVE-2026-5053: high-severity vulnerability in NoMachine
NoMachine External Control of File Path Arbitrary File Deletion Vulnerability
Published · Updated
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.1epss 0.1%
exploitation probability
0.1%top 97% of all CVEs
observed exploitation
nono source reports it
NoMachine External Control of File Path Arbitrary File Deletion Vulnerability. This vulnerability allows local attackers to delete arbitrary files 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 handling of environment variables. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to delete files in the context of root. Was ZDI-CAN-28644.
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Affected products
NoMachine · NoMachineRelated CVEs — NoMachine
In the same product, most dangerous first.
CVE-2026-18264HIGHNoMachine getstat Command Injection Remote Code Execution VulnerabilityEPSS 1.2%CVE-2024-7253HIGHNoMachine Uncontrolled Search Path Element Local Privilege Escalation VulnerabilityEPSS 0.3%CVE-2025-8614HIGHNoMachine Uncontrolled Search Path Element Local Privilege Escalation VulnerabilityEPSS 0.3%CVE-2026-5055HIGHNoMachine Uncontrolled Search Path Element Local Privilege Escalation VulnerabilityEPSS 0.2%CVE-2026-53694HIGHPotential local privileges escalation through argument injection in the nxchmod.sh scriptEPSS 0.2%CVE-2026-5054HIGHNoMachine External Control of File Path Local Privilege Escalation VulnerabilityEPSS 0.2%