Cross-Account Data Leakage in ChatGPT #CheckPoint Research has demonstrated a covert cross-account channel in #ChatGPT’s code-execution environment that allowed hidden tasks to run using a victim’s available tools, data, and connected applications. A proof of concept used a shared conversation to retrieve #Gmail data from one account and relay the results to another. https://research.checkpoint.com/2026/the-shared-clipboard-inside-the-sandbox-cross-account-data-leakage-in-chatgpt/ #CheckPointSoftwareTechnologies