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Critical 9.8Published Jun 25, 2026

CVE-2026-8666OS 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, c…

Updated under an hour ago ()

Does this affect you?

It affects rapid7 insightconnect_traceroute. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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
9.8 CRITICAL (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-78
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Not given
NVD analysis
Analyzed
Record last updated
Jun 29, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
rapid7 insightconnect_traceroute
rapid7:insightconnect_traceroute
before 1.0.3
NVD

References

  • product

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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