What is CVE-2026-8664?

CVE-2026-8664 is a medium-severity vulnerability in Rapid7 Insightconnect Finger Plugin, classified under OS Command Injection. CVSS score: 6.0/10. Published 2026-06-25.

How severe is CVE-2026-8664?

Medium severity. CVSS v3 base score is 6.0 out of 10.

RCE in Rapid7 Insightconnect Finger Plugin

CVE-2026-8664

OS Command Injection vulnerability in Rapid7 InsightConnect Finger Plugin on Linux allows authenticated attackers to execute arbitrary OS commands via the user or host parameters due to insufficient input validation in shell command constr…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.007 (49.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.0 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:L.

Affected products

Rapid7 Insightconnect Finger Plugin — versions 0, 1.0.3

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

cve@rapid7.com (vendor-advisory)

Frequently asked questions

What is CVE-2026-8664?: CVE-2026-8664 is a medium-severity vulnerability in Rapid7 Insightconnect Finger Plugin, classified under OS Command Injection. CVSS score: 6.0/10. Published 2026-06-25.
How severe is CVE-2026-8664?: Medium severity. CVSS v3 base score is 6.0 out of 10.