Rapid7 Insight Agent Local Privilege Escalation via Shell Injection in mcp.json Configuration Path

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-115805
StatePUBLISHED
Assignerrapid7
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-29 17:18:01 UTC
Updated2026-10-30 18:17:23 UTC
DescriptionImproper handling of local filesystem paths in Rapid7 Insight Agent on Linux and macOS may allow authenticated local users to gain elevated privileges. Exploitation requires existing local access and depends on the Agent's inventory collection processing the crafted path.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from [email protected]

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

EPSS: 0.001670000 probability, percentile 0.059880000 (date 2026-11-02)

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]Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Rapid7 Insight Agent affected 4.1.4.43 semver MacOS, Linux

References

ReferenceSourceLinkTags
docs.rapid7.com/insight/release-notes-2026-october [email protected] docs.rapid7.com
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: Jed Starr (en)

CNA: Jacob Steadman (en)

Additional Advisory Data

Solutions

CNA: Update Rapid7 Insight Agent to version 4.1.4.43 or later.

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