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Vulnerabilities

Vulnerability · CVE-2026-5053

NoMachine External Control of File Path Arbitrary File Deletion Vulnerability.

Published Apr 11, 2026 · catalog updated Jun 17, 2026 · NoMachine External Control of

Check if you run it

No confirmed exploitation is on record for CVE-2026-5053. EPSS is 0.15%. Act only if a listed version of NoMachine External Control of is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (NoMachine External Control of).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.15%
Remediation
Advisory link
Affected products
cpe nomachine/nomachine

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe nomachine/nomachineversion unspecified

How to fix CVE-2026-5053

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-5053. EPSS is 0.15%. Act only if a listed version of NoMachine External Control of is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-73. EPSS 0.15%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 11, 2026 · NIST NVD

    Detected

    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 issu

  2. Jun 17, 2026 · NIST NVD

    Updated

    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 issu

Sources

  • CVE.orgVulnerability recordCVE-2026-5053

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-5053

    30-day exploitation probability 0.1%

    first.org
  • NIST NVDVulnerability recordCVE-2026-5053

    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

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.