CVE-2026-7730

privsim mcp-test-runner MCP index.ts child_process.spawn os command injection

MEDIUM
6.3
CVSS Score
Published: May 4, 2026 at 04:00 AM UTC
Updated: October 26, 2026 at 07:10 PM UTC
1 product affected across 1 vendorMcp Test Runner

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Severity
MEDIUM6.3
Exploit prediction
EPSS 1%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (6)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/360905
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/360905/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/807541
ExploitIssue Tracking
Source: cverecord
https://github.com/BruceJqs/public_exp/issues/37

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-78CWE-77

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