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privsim mcp-test-runner CVE-2026-7730

| EUVD-2026-26884 LOW
OS Command Injection (CWE-78)
2026-05-04 VulDB
2.1
CVSS 4.0

CVSS VectorNVD

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

7
PoC Detected
May 04, 2026 - 15:18 vuln.today
Public exploit code
Severity Changed
May 04, 2026 - 05:22 NVD
MEDIUM LOW
CVSS changed
May 04, 2026 - 05:22 NVD
6.3 (MEDIUM) 2.1 (LOW)
Analysis Generated
May 04, 2026 - 05:00 vuln.today
EUVD ID Assigned
May 04, 2026 - 04:30 euvd
EUVD-2026-26884
Analysis Generated
May 04, 2026 - 04:30 vuln.today
CVE Published
May 04, 2026 - 04:00 nvd
LOW 2.1

DescriptionNVD

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.

AnalysisAI

OS command injection in privsim mcp-test-runner 0.2.0 allows authenticated remote attackers to execute arbitrary operating system commands via manipulation of the command argument passed to child_process.spawn in the MCP Interface component. The vulnerability affects version 0.2.0 with CVSS 6.3 (network-exploitable, low attack complexity, low-privileged access required). …

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CVE-2026-7730 vulnerability details – vuln.today

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