What is CVE-2026-7220?

CVE-2026-7220 is a high-severity vulnerability in Jackwrichards Fastlymcp, classified under Command Injection. CVSS score: 7.3/10. Published 2026-04-28.

How severe is CVE-2026-7220?

High severity. CVSS v3 base score is 7.3 out of 10.

RCE in Jackwrichards Fastlymcp

CVE-2026-7220

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 comman…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.021 (84.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Jackwrichards Fastlymcp — versions 6f3d0b0e654fc51076badc7fa16c03c461f95620

Weakness classification (CWE)

References

VDB-359820 | jackwrichards FastlyMCP fastly_cli Tool fastly-mcp.mjs os command injection (technical-description, vdb-entry)
VDB-359820 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
Submit #802138 | jackwrichards fastly-mcp-server 6f3d0b0e654fc51076badc7fa16c03c461f95620 Command Injection (third-party-advisory)
cna@vuldb.com (issue-tracking, exploit)
cna@vuldb.com (product)

Frequently asked questions

What is CVE-2026-7220?: CVE-2026-7220 is a high-severity vulnerability in Jackwrichards Fastlymcp, classified under Command Injection. CVSS score: 7.3/10. Published 2026-04-28.
How severe is CVE-2026-7220?: High severity. CVSS v3 base score is 7.3 out of 10.