Redpacketsecurity High-Risk OS Command Injection Vulnerability in Kali-GPT MCP Server
Article Content
- •CVE-2026-117569 allows OS command injection via unsanitized parameters in Kali-GPT.
- •All 17 security tools exposed through the MCP interface are vulnerable.
- •Immediate action is recommended to mitigate risks, including upgrading and restricting access.
A newly discovered OS command injection vulnerability, CVE-2026-117569, affects Kali-GPT through commit a608c74. This flaw allows attackers to execute arbitrary commands by injecting shell metacharacters into tool parameters via the MCP server. All 17 security tools exposed through the MCP interface are impacted, enabling potential backdoor installations and unauthorized access to sensitive data. The vulnerability is particularly dangerous for penetration testers who often operate with elevated privileges. Current mitigation recommendations include upgrading the affected code and restricting access to trusted clients. As of now, there is no confirmed active exploitation, but the urgency for remediation is high. The vulnerability was published on October 27, 2026, with a CVSS score of 8.5, indicating a high severity level.
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