CVE-2026-4199 bazinga012 mcp_code_executor index.ts installDependencies command injection
Local attackers can execute arbitrary commands via the installDependencies function in the mcp_code_executor library.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-4199?
CVE-2026-4199 is a medium-severity command injection vulnerability in bazinga012 mcp_code_executor, published on 16 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability was identified in bazinga012 mcp_code_executor up to 0.3.0. Affected by this issue is the function installDependencies of the file src/index.ts. Such manipulation leads to command injection. The attack can only be performed from a local environment. The exploit is publicly available and might be used. It is best practice to apply a patch to resolve this issue. The project was informed of the problem early through an issue report but has not responded yet.
Which versions are affected by CVE-2026-4199?
How do I fix CVE-2026-4199?
No fix has been published for CVE-2026-4199 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-4199 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-4199 exists.
Sources
Also known as GHSA-wf6m-m2x3-f49p.