7.7
HIGH CVSS 3.1
CVE-2026-8666
OS Command Injection in Rapid7 InsightConnect Traceroute Plugin
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.

INFO

Published Date :

June 25, 2026, 1:35 a.m.

Last Modified :

June 25, 2026, 1:35 a.m.

Remotely Exploit :

Yes !

Source :

rapid7
Affected Products

The following products are affected by CVE-2026-8666 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH 9974b330-7714-4307-a722-5648477acda7
Solution
Update the plugin to validate and sanitize input to prevent OS command injection.
  • Update the Rapid7 InsightConnect Traceroute Plugin to the latest version.
  • Validate and sanitize all user-supplied input parameters.
  • Avoid constructing shell commands with user input directly.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-8666 vulnerability anywhere in the article.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.