What’s Vulnerable › Vulnerabilities

CVE-2026-8658: OS Command Injection in Rapid7 InsightConnect Tcpdump Plugin

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-25 · updated 2026-10-25
• Weakness: CWE-78

Description

OS Command Injection vulnerability in Rapid7 InsightConnect Tcpdump Plugin on Linux allows authenticated attackers to execute arbitrary OS commands via the options or filter parameters due to insufficient input sanitization in shell command construction.

Affected products

• Rapid7 InsightConnect Tcpdump Plugin: before 2.0.0 — fixed in 2.0.0

How to fix

Upgrade to a fixed version: Rapid7 InsightConnect Tcpdump Plugin 2.0.0. Check the vendor advisory for mitigations.

References

• https://extensions.rapid7.com/extension/tcpdump

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