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CVE-2026-8666 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CNA: [email protected]CVSS-B:7.7 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://extensions.rapid7.com/extension/traceroute	[email protected]	Product

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-78	Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')	[email protected]

Affected Products

Product	Versions
rapid7 insightconnect traceroute	< 1.0.3
CPE cpe:2.3:a:rapid7:insightconnect_traceroute::::::rapid7::* Remediation No remediation found in references.
linux linux kernel	All versions
CPE cpe:2.3:o:linux:linux_kernel:-:::::::* Remediation No remediation found in references.

Change History

3 change records found show changes

Date	Action	Recorded By
Jun 29, 2026	Initial Analysis	[email protected]
Jun 25, 2026	CVE Modified	CISA-ADP
Jun 25, 2026	New CVE Received	[email protected]