CVE-2026-5053CWE-73

NoMachine External Control of File Path Arbitrary File Deletion Vulnerability

High · published April 11, 2026

CVSS v3.0
7.1
EPSS
0%
Percentile
3.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.0
7.1 · HIGH
Vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00146 · 3.5th percentile
Weakness
CWE-73 · External Control of File Name or Path
Published
2026-04-11T00:14Z
EPSS history
Timeline
  • 11 APR 00:14Z
    NoMachine External Control of File Path Arbitrary File Deletion Vulnerability
    cvelistv5