Executive brief
HexStrike AI is an AI-powered security tool used for penetration testing and vulnerability assessment. A vulnerability in the Execute Endpoint allows attackers to inject arbitrary operating system commands through the code/script parameter, potentially enabling remote code execution on systems running the vulnerable server component. This could allow attackers to take full control of the affected system or compromise sensitive data.
Technical details
The vulnerability is an OS command injection flaw in the Execute Endpoint of hexstrike_server.py, where the code/script parameter is not properly validated or sanitized before being used in system command execution. The attack vector is network-based, requiring no authentication or user interaction. An attacker can craft a malicious request containing shell metacharacters or command chaining syntax to execute arbitrary commands with the privileges of the server process. The vulnerability has been publicly disclosed and no patch has been confirmed from the project maintainers as of the advisory date.
Affected products
- 0x4m4 HexStrike AI up to d689933ff579d839c676c82b231f8e98326c5f04
Timeline
- 2026-09-14: disclosed: Vulnerability publicly disclosed
- 2026-09-14: advisory: CVE-2026-90619 published