A weakness has been identified in privsim mcp-test-runner 0.2.0. Impacted is the function child_process.spawn of the file src/index.ts of the component MCP Interface. Executing a manipulation of the argument command can lead to os command injection. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00734.

Exploitation poc

Automatable no

Technical Impact partial

Affected Vendors & Products

No data.

No data.

No data.

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Vendors Products
References
Link Providers
https://github.com/BruceJqs/public_exp/issues/37 cve-icon cve-icon
https://github.com/privsim/mcp-test-runner/ cve-icon cve-icon
https://github.com/privsim/mcp-test-runner/issues/24 cve-icon cve-icon
https://vuldb.com/submit/807541 cve-icon cve-icon
https://vuldb.com/vuln/360905 cve-icon cve-icon
https://vuldb.com/vuln/360905/cti cve-icon cve-icon
History

Mon, 04 May 2026 11:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 04 May 2026 04:30:00 +0000

Type Values Removed Values Added
Description A weakness has been identified in privsim mcp-test-runner 0.2.0. Impacted is the function child_process.spawn of the file src/index.ts of the component MCP Interface. Executing a manipulation of the argument command can lead to os command injection. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Title privsim mcp-test-runner MCP index.ts child_process.spawn os command injection
Weaknesses CWE-77
CWE-78
References
Metrics cvssV2_0

{'score': 6.5, 'vector': 'AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 6.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-05-04T10:59:44.627Z

Reserved: 2026-05-03T16:05:50.191Z

Link: CVE-2026-7730

cve-icon Vulnrichment

Updated: 2026-05-04T10:59:38.054Z

cve-icon NVD

Status : Received

Published: 2026-05-04T05:16:01.340

Modified: 2026-05-04T05:16:01.340

Link: CVE-2026-7730

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-04T05:30:37Z