Rgbkrk

**Name of the Vulnerable Software and Affected Versions** IPython Notebook versions 0.12 through 1.x before 1.2.0 **Description** The issue allows remote attackers to execute arbitrary code by leveraging knowledge of the kernel id and a crafted page, due to the lack of validation of the origin of websocket requests. **Recommendations** For IPython Notebook versions 0.12 through 1.x before 1.2.0, update to version 1.2.0 or later to resolve the issue.