CVE-2026-7730
privsim mcp-test-runner MCP index.ts child_process.spawn os command injection
- State
- Published
- Severity
- 5.3 Medium
- Published
- May 4, 2026
- Updated
- May 4, 2026
- Reserved
- May 3, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | 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 | VulDB |
| 3.1 | 6.3 Medium | 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 | VulDB |
| 3.0 | 6.3 Medium | 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 | VulDB |
| 2.0 | 6.5 Medium | AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
mcp-test-runnerprivsim |
|
References
- VDB-360905 | privsim mcp-test-runner MCP index.ts child_process.spawn os command injectionvdb-entrytechnical-description
- VDB-360905 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #807541 | privsim mcp-test-runner 0.2.0, Commit 83c84ed053f534774f7de935aeaa7698a5e5f9dc Command Injectionthird-party-advisory
- https://github.com/privsim/mcp-test-runner/issues/24issue-tracking
- https://github.com/BruceJqs/public_exp/issues/37exploitissue-tracking
- https://github.com/privsim/mcp-test-runner/product
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