# CVE-2026-8658: Rapid7 InsightConnect Tcpdump Plugin OS command injection

Source: https://junglewise.ai/threats/cve-2026-8658-rapid7-insightconnect-tcpdump-plugin-os-command-injection  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-06-25. Updated: 2026-06-25  
License: CC BY 4.0 with a link back

CVE-2026-8658 · Severity: medium · CVSS 6 · Published 2026-06-25

The Rapid7 InsightConnect Tcpdump plugin, used for capturing and analyzing network traffic within automation workflows, contains a security flaw. An authorized user with high-level permissions can exploit this to run unauthorized commands on the underlying Linux system. This could lead to a compromise of the automation platform, potentially allowing an attacker to modify data or disrupt security operations.

Vendors: [Rapid7](https://junglewise.ai/threats/vendors/rapid7).

## Quick answers

**Is CVE-2026-8658 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-8658 being exploited in the wild.

**How severe is CVE-2026-8658?** Medium severity, with a CVSS score of 6, published 25 June 2026.

**Which products and versions are affected?** Rapid7 InsightConnect Tcpdump Plugin < 2.0.0.

**Is there a fix for CVE-2026-8658?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-8658 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-8658?** Check whether you run Rapid7 InsightConnect Tcpdump Plugin at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

An OS command injection vulnerability (CWE-78) exists in the Rapid7 InsightConnect Tcpdump plugin for Linux. The flaw is located in the shell command construction logic, where the 'options' and 'filter' parameters are not properly sanitized before being executed. An authenticated attacker with high privileges (PR:H) can exploit this over the network to execute arbitrary OS commands on the host system. The issue is resolved in version 2.0.0 of the plugin.

## Affected products

- Rapid7 InsightConnect Tcpdump Plugin < 2.0.0

## Timeline

- 2026-06-25: disclosed
- 2026-06-25: advisory

## References

- [https://extensions.rapid7.com/extension/tcpdump](https://extensions.rapid7.com/extension/tcpdump)