ChatGPT's March 20 Outage: OpenAI Patches Bug, Notifies Affected Users of Payment Info Exposure - Microsoft (NASDAQ:MSFT)

Microsoft Corp MSFT backed OpenAI temporarily shut down its popular ChatGPT service on Monday morning after reports of a bug that allowed some users to see the titles of other users’ chat histories.
OpenAI disclosed finding a bug in an open-source library that allowed some users to see titles from another active user’s chat history.
Alternatively, the first message of a newly-created conversation was visible in someone else’s chat history if both users were active around the same time, OpenAI reasoned.
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OpenAI said it had successfully patched the bug.
Upon deeper investigation, OpenAI also discovered that the same bug may have led to the unintentional visibility of payment-related information of 1.2% of the active ChatGPT Plus subscribers during a specific nine-hour window.
The active user’s visible data included first and last name, email address, payment address, the last four digits (only) of a credit card number, and the expiration date.
OpenAI assured that the glitch did not expose full credit card numbers.
OpenAI notified affected users regarding the possible exposure of their payment information. It was confident that there is no ongoing risk to users’ data.