# CVE-2026-7216: donchelo processing-claude-mcp-bridge create_sketch Tool processing_server.py path traversal

> Attackers can exploit a path traversal vulnerability in the create_sketch tool to read or modify arbitrary files via the sketch_name argument.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 28 Apr 2026
- **Updated:** 28 Apr 2026
- **Also known as:** GHSA-qf53-r63m-hjj3

## What is CVE-2026-7216?

CVE-2026-7216 is a medium-severity path traversal vulnerability in donchelo processing-claude-mcp-bridge, published on 28 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A weakness has been identified in donchelo processing-claude-mcp-bridge up to e017b20a4b592a45531a6392f494007f04e661bd. Impacted is an unknown function of the file processing_server.py of the component create_sketch Tool. This manipulation of the argument sketch_name causes path traversal. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks. This product follows a rolling release approach for continuous delivery, so version details for affected or updated releases are not provided. The project was informed of the problem early through an issue report but has not responded yet.

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

## Which versions are affected by CVE-2026-7216?


## How do I fix CVE-2026-7216?

No fix has been published for CVE-2026-7216 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-7216 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7216 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-7216 and fix it if it is affected.

What it is: CVE-2026-7216 is a medium-severity path traversal vulnerability in donchelo processing-claude-mcp-bridge, published on 28 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7216 exists.

Affected product: donchelo processing-claude-mcp-bridge. 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-2026-7216/ (Markdown: https://insights.sbomify.com/CVE-2026-7216/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-7216
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-7216
- OSV: https://osv.dev/vulnerability/CVE-2026-7216

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-7216/
Summaries are generated and may contain mistakes; the official description above is the record.