CVE-2026-7730privsim mcp-test-runner MCP index.ts child_process.spawn os command injection
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 6.3 MEDIUM (v3.1, CNA)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
- Weakness (CWE)
- CWE-78, CWE-77
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- May 4, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
privsim mcp-test-runner privsim:mcp_test_runner (from the name) | 0.2.0 | CNA record |
References
- https://vuldb.com/vuln/360905vdb-entry, technical-description
- https://vuldb.com/vuln/360905/ctisignature, permissions-required
- https://vuldb.com/submit/807541third-party-advisory
- https://github.com/privsim/mcp-test-runner/issues/24issue-tracking
- https://github.com/BruceJqs/public_exp/issues/37exploit, issue-tracking
- https://github.com/privsim/mcp-test-runner/product
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.