OS Command Injection in Rapid7 InsightConnect Tcpdump Plugin

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Summary

CVECVE-2026-8658
StatePUBLISHED
Assignerrapid7
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-25 03:16:44 UTC
Updated2026-06-29 19:23:20 UTC
DescriptionOS 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.

Risk And Classification

Primary CVSS: v3.1 8.8 HIGH from [email protected]

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

EPSS: 0.008330000 probability, percentile 0.530420000 (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')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary8.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1[email protected]Secondary6MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:L
3.1CNACVSS6MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:L

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel - All All All
Application Rapid7 Insightconnect Tcpdump All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Rapid7 InsightConnect Tcpdump Plugin affected 2.0.0 custom Linux
CNA Rapid7 InsightConnect Tcpdump Plugin unaffected 2.0.0 custom Linux

References

ReferenceSourceLinkTags
extensions.rapid7.com/extension/tcpdump [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)

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