CVE-2026-8666 — HIGH (7.7) — White Hats Nepal

Vulnerability 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.

CVSS Score

7.7

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

LOW

Related Weaknesses (CWE)

CWE-78

References

https://extensions.rapid7.com/extension/traceroute

FAQ

What is CVE-2026-8666?

CVE-2026-8666 is a vulnerability with a CVSS score of 7.7 (HIGH). 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, co...

How severe is CVE-2026-8666?

CVE-2026-8666 has been rated HIGH with a CVSS base score of 7.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-8666?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.