{"id":"CVE-2026-65591","state":"PUBLISHED","title":"n8n before 1.123.64 Sanitizer Bypass Remote Code Execution","description":"n8n contains a sanitizer bypass vulnerability in the legacy expression evaluator's computed-member handler. An authenticated user with workflow create or modify permissions can craft a malicious expression to bypass the sanitizer and achieve host-level code execution as the n8n process. The legacy expression engine is the default in affected versions. 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