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CVE-2026-5053VulnerabilityPublished

ZDI-26-247: NoMachine External Control of File Path Arbitrary File Deletion Vulnerability

Source Zero Day Initiative

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Not known to be exploited · fixed in 9.4.14 : patch affected systems soon.

Data as of 30 Oct 2026, 11:52 UTC

Severity
High

Rated High by Zero Day Initiative · No CVSS score from NVD or the CNA

EPSS
0.1% chance of exploitation in 30 days – higher than 4% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 9.4.14

Exploitation evidence

  1. Disclosed: evidence found.

    Public on cve.org; its publication date is not in this record

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: evidence found.

    Public exploit code: GitHub proofs of concept

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), GitHub proofs of concept, the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

AI-suggested

A fix is available and has been released by NoMachine in version 9.4.14. Users should upgrade to this version or later to remediate the vulnerability. NoMachine is not a cloud service; therefore, remediation requires applying the vendor's patch. There are no indications that additional mitigations or workarounds are necessary.

Description

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 ZDI has assigned a CVSS rating of 7.1. The following CVEs are assigned: CVE-2026-5053.

References

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