OS Command Injection in Rapid7 InsightConnect Traceroute Plugin
Summary
| CVE | CVE-2026-8666 |
|---|---|
| State | PUBLISHED |
| Assigner | rapid7 |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-06-25 02:16:35 UTC |
| Updated | 2026-06-29 19:24:23 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.1 9.8 CRITICAL from [email protected]
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.006750000 probability, percentile 0.475520000 (date 2026-06-30)
Problem Types: CWE-78 | CWE-78 CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 9.8 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | [email protected] | Secondary | 7.7 | HIGH | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L |
| 3.1 | CNA | CVSS | 7.7 | HIGH | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Linux | Linux Kernel | - | All | All | All |
| Application | Rapid7 | Insightconnect Traceroute | All | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Rapid7 | InsightConnect Traceroute Plugin | affected 1.0.3 custom | Linux |
| CNA | Rapid7 | InsightConnect Traceroute Plugin | unaffected 1.0.3 custom | Linux |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| extensions.rapid7.com/extension/traceroute | [email protected] | extensions.rapid7.com | Product |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Jacob Steadman, Rapid7 (en)
CNA: Jed Starr, Rapid7 (en)
There are currently no legacy QID mappings associated with this CVE.