PT-2026-36759 · Privsim · Mcp-Test-Runner

Brucejqs · Published 2026-05-04 · Updated 2026-05-04 · CVE-2026-7730

Positive Technologies (AI Summary)

CVSS v2.0

6.5

Medium

Base vector

AV:N/AC:L/Au:S/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions privsim mcp-test-runner version 0.2.0

Description A flaw in the MCP Interface component allows for remote OS command injection. This occurs through the manipulation of the command argument within the child process.spawn() function located in the src/index.ts file.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability. As a temporary workaround, restrict access to the child process.spawn() function or the MCP Interface component to minimize the risk of exploitation.

Exploit

Command Injection

OS Command Injection

Weakness Enumeration

CWE-77

CWE-78

Related Identifiers

CVE-2026-7730

Affected Products

Mcp-Test-Runner

References · 8

• 🔥 https://github.com/BruceJqs/public_exp/issues/37 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-7730 · Security Note
• https://github.com/privsim/mcp-test-runner/issues/24 · Note
• https://vuldb.com/submit/807541 · Note
• https://vuldb.com/vuln/360905 · Note
• https://vuldb.com/vuln/360905/cti · Note
• https://github.com/privsim/mcp-test-runner · Note
• https://twitter.com/VulmonFeeds/status/2051173234180010460 · Twitter Post