RCE in Privsim Mcp-test-runner
CVE-2026-7730
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…
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.012 (79.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Privsim Mcp-test-runner — versions 0.2.0
Weakness classification (CWE)
References
- VDB-360905 | privsim mcp-test-runner MCP index.ts child_process.spawn os command injection (technical-description, vdb-entry)
- VDB-360905 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
- Submit #807541 | privsim mcp-test-runner 0.2.0, Commit 83c84ed053f534774f7de935aeaa7698a5e5f9dc Command Injection (third-party-advisory)
- cna@vuldb.com (issue-tracking)
- cna@vuldb.com (issue-tracking, exploit)
- cna@vuldb.com (product)
Frequently asked questions
- What is CVE-2026-7730?
- CVE-2026-7730 is a medium-severity vulnerability in Privsim Mcp-test-runner, classified under Command Injection. CVSS score: 6.3/10. Published 2026-05-04.
- How severe is CVE-2026-7730?
- Medium severity. CVSS v3 base score is 6.3 out of 10.