CVE-2026-7220 jackwrichards FastlyMCP fastly_cli Tool fastly-mcp.mjs os command injection
Remote attackers can execute arbitrary OS commands via the command argument in the FastlyMCP tool, requiring immediate attention from users of this developer utility.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-7220?
CVE-2026-7220 is a medium-severity command injection vulnerability in jackwrichards FastlyMCP, 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 vulnerability has been found in jackwrichards FastlyMCP up to 6f3d0b0e654fc51076badc7fa16c03c461f95620. This impacts an unknown function of the file fastly-mcp.mjs of the component fastly_cli Tool. The manipulation of the argument command leads to os command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available. The project was informed of the problem early through an issue report but has not responded yet.
Which versions are affected by CVE-2026-7220?
How do I fix CVE-2026-7220?
No fix has been published for CVE-2026-7220 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-2026-7220 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7220 exists.
Sources
Also known as GHSA-q854-929v-gwpx.