CVE-2026-7730
privsim mcp-test-runner MCP index.ts child_process.spawn os command injection
Vexday Risk Score
33Attention
SSVC decision (CISA)
Attend
PoC available → attend closely
CVSS 5.3EPSS 1.1%KEV nãoPoC públicaNuclei —Metasploit —Patch —
Lifecycle
04 May 2026Published on NVD
Recommendation: Plan a near-term fix — a public PoC already exists.
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: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
Affected products
privsim · mcp-test-runnerpublic PoCs found — 1
cve_referencegithub.com/BruceJqs/public_exp/issues/37unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.