High severity8.1NVD Advisory· Published Sep 10, 2026· Updated Sep 16, 2026

CVE-2026-4129

Description

There is an improper access control vulnerability in NI SystemLink that may allow an authenticated user with limited privileges to access host operating system files and directories that should be restricted. This vulnerability affects NI SystemLink and NI SystemLink Server versions prior to 2026 Q3.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Ni/Systemlinkllm-fuzzy
Range: <2026 Q3

Patches

Vulnerability mechanics

References

www.ni.com/en/support/security/available-critical-and-security-updates-for-ni-software/2026/improper-access-controls-in-ni-systemlink.htmlnvd

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