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CVE-2026-53694 NoMachine CVE debrief

CVE-2026-53694 is an Improper Neutralization of Argument Delimiters in a Command (Argument Injection) vulnerability affecting Nomachine versions before 9.5.7 and 8.23.2. The vulnerability has a CVSS score of 7.3 and is rated HIGH. It was published on [cvePublishedAt](https://www.cve.org/CVERecord?id=CVE-2026-53694) and last modified on [cveModifiedAt](https://nvd.nist.gov/vuln/detail/CVE-2026-53694).

Vendor
NoMachine
Product
Unknown
CVSS
HIGH 7.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-10
Original CVE updated
2026-07-07
Advisory published
2026-06-10
Advisory updated
2026-07-07

Who should care

Users of Nomachine versions before 9.5.7 and 8.23.2 should apply patches to mitigate this vulnerability.

Technical summary

The vulnerability is caused by improper neutralization of argument delimiters in a command, allowing for argument injection. This issue affects Nomachine versions before 9.5.7 and 8.23.2.

Defensive priority

HIGH

Recommended defensive actions

  • Apply patches for Nomachine versions before 9.5.7 and 8.23.2.
  • Refer to [ref-4](https://kb.nomachine.com/SU05X00274) and [ref-5](https://kb.nomachine.com/SU05X00275) for more information.

Evidence notes

The CVE record [cve-org] and NVD detail [nvd] provide additional information on this vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-53694 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-53694

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-53694 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-53694

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source reference

    Unverified legacy reference

    URL: https://kb.nomachine.com/SU05X00274

    5a6e4751-2f3f-4070-9419-94fb35b644e8

  • Source reference

    Unverified legacy reference

    URL: https://kb.nomachine.com/SU05X00275

    5a6e4751-2f3f-4070-9419-94fb35b644e8

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.