CVE-2026-7220 MEDIUM

CVE-2026-7220: jackwrichards FastlyMCP fastly_cli Tool fastly-mcp.mjs os command injection

Vendor Jackwrichards
Product FastlyMCP
Weakness CWE-78
Published April 28, 2026
Last update April 28, 2026

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 28, 2026 CVE published
April 28, 2026 Record updated