{"id":53047,"date":"2026-05-11T12:36:09","date_gmt":"2026-05-11T12:36:09","guid":{"rendered":"https:\/\/zero.redgem.net\/?p=53047"},"modified":"2026-05-11T12:36:09","modified_gmt":"2026-05-11T12:36:09","slug":"openclaw-2026420-arbitrary-code-execution-via-mcp-stdio-environment-variables","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=53047","title":{"rendered":"OpenClaw < 2026.4.20 - Arbitrary Code Execution via MCP stdio Environment Variables_CVE-2026-44995"},"content":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;OpenClaw before 2026.4.20 contains an improper environment variable validation vulnerability in MCP stdio server configuration that allows attackers to execute arbitrary code. 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