# CVE-2026-29522: ZwickRoell Test Data Management < 3.0.8 Path Traversal LFI

> Unauthenticated attackers can exploit a path traversal flaw in the node upgrade service to read arbitrary sensitive files from the server.

- **Severity:** High 8.7 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/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:** 16 Mar 2026
- **Updated:** 17 Mar 2026
- **Also known as:** GHSA-r6wf-4xfg-pw66

## What is CVE-2026-29522?

CVE-2026-29522 is a high-severity path traversal vulnerability in ZwickRoell GmbH & Co. KG Test Data Management, published on 16 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

ZwickRoell Test Data Management versions prior to 3.0.8 contain a local file inclusion (LFI) vulnerability in the /server/node_upgrade_srv.js endpoint. An unauthenticated attacker can supply directory traversal sequences via the firmware parameter to access arbitrary files on the server, leading to information disclosure of sensitive system files.

Weakness: CWE-22 (Improper Limitation of a Pathname to a Restricted Directory)

## Which versions are affected by CVE-2026-29522?


## How do I fix CVE-2026-29522?

No fix has been published for CVE-2026-29522 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-29522 being exploited?

There is no known exploitation of CVE-2026-29522 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-29522 and fix it if it is affected.

What it is: CVE-2026-29522 is a high-severity path traversal vulnerability in ZwickRoell GmbH & Co. KG Test Data Management, published on 16 Mar 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-2026-29522 in the wild and no public exploit code.

Affected product: ZwickRoell GmbH & Co. KG Test Data Management. 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-2026-29522/ (Markdown: https://insights.sbomify.com/CVE-2026-29522/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-29522
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-29522
- OSV: https://osv.dev/vulnerability/CVE-2026-29522

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-29522/
Summaries are generated and may contain mistakes; the official description above is the record.