THREAT OPS › Threat News › [NVD] CVE-2026-4129 (HIGH 8.1) — 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 2026
[NVD] CVE-2026-4129 (HIGH 8.1) — 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 2026
CVE-2026-4129 CVSS: 8.1 HIGH Published: 2026-09-10T16:17:14.080
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 2026 Q3 and prior versions.
Indicators of compromise
- CVE-2026-4129cve
Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-4129