Kali-GPT through commit a608c74 OS Command Injection via MCP Scanner Tool Parameters

Advisories

Kali-GPT through commit a608c74 OS Command Injection via MCP Scanner Tool Parameters

Severity: high
Date: 10/27/2026
Affecting: kali-gpt <= a608c74e99910232dd208fee99de860458672b82
CVE: CVE-2026-117569
CWE: CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CVSS: 8.5
CVSS V4 Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
References: GitHub Issue #12
https://github.com/alishahid74/kali-gpt
https://github.com/alishahid74/kali-gpt/blob/a608c74e99910232dd208fee99de860458672b82/kali_gpt/tools/mcp_server.py#L229-L356
Credit: Nguyễn Văn Tiến
Description: Kali-GPT through commit a608c74 contains an OS command injection vulnerability in execute_tool() in kali_gpt/tools/mcp_server.py that allows MCP clients to run commands via unsanitized scanner parameters. Attackers or prompt-injected agents can embed shell metacharacters in parameters like target, ports, domain, wordlist, or url, executed via subprocess.run with shell=True as the MCP server user.

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