CVE-2026-7600 ArtMin96 yii2-mcp-server MCP index.ts yii_execute_command os command injection
Remote attackers can execute arbitrary OS commands via the MCP interface in the yii2-mcp-server library, requiring immediate attention from developers using this 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-2026-7600?
CVE-2026-7600 is a medium-severity command injection vulnerability in ArtMin96 yii2-mcp-server, published on 2 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A flaw has been found in ArtMin96 yii2-mcp-server 1.0.2. This impacts the function yii_command_help/yii_execute_command of the file src/index.ts of the component MCP Interface. Executing a manipulation can lead to os command injection. The attack can be executed remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Which versions are affected by CVE-2026-7600?
2 open source packages ship an affected version, including yii2-mcp-server.
| Package | Affected | Fixed in |
|---|---|---|
yii2-mcp-server npm | All versions to 1.0.2 | None |
yii2-mcp-server npm | All versions to 1.0.2 | None |
How do I fix CVE-2026-7600?
No fix has been published for CVE-2026-7600 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-2026-7600 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7600 exists.
Sources
Also known as GHSA-gc8w-x73w-p4rh.