CVE-2026-19041 MissionSquad mcp-api NPM Package Version packages.ts this.packageService.installPackage command injection
Remote attackers can execute arbitrary commands via the installPackage function in the MissionSquad mcp-api NPM package.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-19041?
CVE-2026-19041 is a medium-severity command injection vulnerability in MissionSquad mcp-api, published on 6 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability has been found in MissionSquad mcp-api up to 1.11.8. The impacted element is the function this.packageService.installPackage of the file src/controllers/packages.ts of the component NPM Package Version Handler. The manipulation leads to command injection. It is possible to initiate the attack remotely. Upgrading to version 1.11.9 is sufficient to resolve this issue. The identifier of the patch is a40f54d4533ba6618e1749383a245900eeb024c1. The affected component should be upgraded.
Which versions are affected by CVE-2026-19041?
How do I fix CVE-2026-19041?
No fix has been published for CVE-2026-19041 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-2026-19041 being exploited?
There is no known exploitation of CVE-2026-19041 in the wild and no public exploit code.
Sources
Also known as GHSA-pcgr-7p2p-x7w8.