# CVE-2026-9051: Authentication Bypass Vulnerability in NI SystemLink Enterprise

> Unauthenticated remote attackers can bypass authentication via crafted HTTP requests, leading to privilege escalation or information disclosure in NI SystemLink Enterprise.

- **Severity:** Critical 9.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 29 May 2026
- **Updated:** 29 May 2026
- **Also known as:** GHSA-f5mf-h7w7-c35x

## What is CVE-2026-9051?

CVE-2026-9051 is a critical authentication bypass vulnerability in NI SystemLink Enterprise, published on 29 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

There is an authentication bypass vulnerability in the NI SystemLink Enterprise Dashboard application that may allow an unauthenticated remote attacker to bypass authentication controls leading to privilege escalation or information disclosure.  Successful exploitation requires an attacker to send a specially crafted HTTP request.  This vulnerability affects NI SystemLink Enterprise 2026-04 and prior versions.

Weakness: CWE-306 (Missing Authentication for Critical Functionality)

## Which versions are affected by CVE-2026-9051?


## How do I fix CVE-2026-9051?

No fix has been published for CVE-2026-9051 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-9051 being exploited?

There is no known exploitation of CVE-2026-9051 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-9051 and fix it if it is affected.

What it is: CVE-2026-9051 is a critical authentication bypass vulnerability in NI SystemLink Enterprise, published on 29 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-9051 in the wild and no public exploit code.

Affected product: NI SystemLink Enterprise. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-9051/ (Markdown: https://insights.sbomify.com/CVE-2026-9051/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-9051
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-9051
- OSV: https://osv.dev/vulnerability/CVE-2026-9051

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-9051/
Summaries are generated and may contain mistakes; the official description above is the record.