Apple vs OpenAI: Zero-Day Exploit and 'LOL' Message Revealed in Trade Secret Lawsuit

Dramatic new details have emerged in Apple's trade secret lawsuit against OpenAI, painting a picture of systematic intellectual property theft. According to reporting by QbitAI, a former Apple electrical engineer named Liu, who had worked at Apple for over eight years before joining OpenAI in January 2026, discovered he could still access Apple's internal network storage after his departure.

Rather than reporting the security gap, Liu messaged a colleague still at Apple saying words to the effect of: "LOL, I found I can still access the network storage, hilarious." This message, quoted in Apple's court filing, has become one of the most striking pieces of evidence in what is rapidly becoming one of Silicon Valley's biggest legal battles.

Apple alleges that Liu exploited an undiscovered zero-day vulnerability over several weeks to download dozens of confidential hardware files, including details about unannounced products, engineering documents, technical specifications, and project data. Liu also reportedly failed to return his company-issued laptop. Apple noted that while the vulnerability theoretically could have been exploited by others, Liu appeared to be the only person who actually extracted data.

The lawsuit reveals a broader pattern of talent migration from Apple to OpenAI's hardware division. The central figure is Tang Tan, OpenAI's head of hardware, who spent over two decades at Apple working on products including the iPhone and Apple Watch. Tan previously worked at io Products, the hardware company co-founded by former Apple design chief Jony Ive, which OpenAI acquired last year for nearly $6.5 billion.

According to the lawsuit, Tan asked Apple job candidates about unannounced Apple projects during interviews and requested they bring hardware components or product samples including batteries, system-in-package modules, main logic boards, and shielding components from their work at Apple. In one case, a candidate was found screenshotting and downloading files from a highly classified Apple project just hours before interviewing with Tan.

Apple has described OpenAI's hardware business as "rotten to its core," arguing that if key talent, technical data, and supply chain information were taken from Apple's ecosystem, then OpenAI's unreleased AI hardware device is contaminated from inception. Apple is demanding that OpenAI destroy all allegedly stolen materials and design its products to avoid any technology derived from Apple.

OpenAI responded by stating it has "no interest in other companies' trade secrets." However, sources suggest the lawsuit is already complicating OpenAI's recruitment efforts and product development timeline. OpenAI's joint AI hardware project with Jony Ive reportedly planned for announcement this year with a 2027 ship date now faces heightened uncertainty.

This case highlights the growing tension in Silicon Valley between talent mobility and trade secret protection. As the boundary between personal expertise and corporate intellectual property becomes increasingly blurred in the AI hardware era, the outcome of this lawsuit could set important legal precedents.