CVE-2026-8666

High

Description

OS Command Injection vulnerability in the traceroute action of Rapid7 InsightConnect Traceroute Plugin on Linux allows remote attackers to execute arbitrary OS commands via the host, port, max_ttl, count, or time_out request parameters due to insufficient input validation when constructing shell commands.

SeverityHigh

CVSS7.7

Exploit probability—

ProductRapid7 Insightconnect Traceroute

PublishedJun 25, 2026

First seenJun 25, 2026

Weakness typeCWE-78OS command injection

How to fix

Update

rapid7 insightconnect_traceroute1.0.3 or later

Vendor advisories

extensions.rapid7.com/extension/traceroute

Affected products

Product	Affected versions	Fixed in
rapid7 insightconnect_traceroute	v < 1.0.3	1.0.3

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