CVE-2026-4129
Improper Access Controls in NI SystemLink
CVSS Score
8.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-862 |
| Vendor | ni |
| Product | systemlink |
| Published | Sep 10, 2026 |
| Last Updated | Sep 12, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
Affected Versions
NI / SystemLink
0 ≤ 26.5.0
NI / SystemLink Server
0 ≤ 26.5.0