CVE-2026-7220CWE-77CWE-78

jackwrichards FastlyMCP fastly_cli Tool fastly-mcp.mjs os command injection

Medium · published April 28, 2026

CVSS v4.0
6.9
EPSS
2%
Percentile
81.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
6.9 · MEDIUM
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
EPSS
0.02060 · 81.2th percentile
Weaknesses
CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection'); CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-04-28T03:15Z
EPSS history
Timeline
  • 28 APR 03:15Z
    jackwrichards FastlyMCP fastly_cli Tool fastly-mcp.mjs os command injection
    cvelistv5