GCD AI RADAR
incidents/AIR-2023-0030

ChatGPT Bug Exposes User Chat Histories and Payment Data

Attack on AI4 Confirmed real-world lossData leak

A software bug in ChatGPT caused the exposure of user chat history titles and private payment information to other users. The incident prompted OpenAI to temporarily shut down the service while investigating the issue.

Details

type
Attack on AI
An AI model, agent or AI-powered product was the thing exploited, abused or leaked.
categories
  • Data leak
    Training data, chat logs, system prompts, model weights or other AI-system data exposed.
owasp llm top 10
mitre atlas
no technique for these categories
Both rows are derived from the type and categories (OWASP 2025 edition, ATLAS release 2026.09), not classified per record. How
severity
4 · Confirmed real-world loss
Financial loss, PHI/PII breach, safety impact or regulatory action.
targets
OpenAI
products
ChatGPT
incident date
20 Mar 2023
first reported
20 Mar 2023
origin
AI Incident Database
Derived from the AI Incident Database (CC BY-SA 4.0).
classifier confidence
0.95 · published at or above 0.80; see the methodology
tags
data_leak · bug · privacy
record
created 2026-10-18 06:33Z · updated 2026-10-18 06:59Z · json

Sources · 1

  1. 2023-03-20
    ChatGPT Reportedly Exposed Users' Private Data Reportedly Due to Bug
    AI Incident Database · incidentdatabase.ai/cite/516

Titles and links belong to their publishers. The summary above is written by GCD AI RADAR in its own words; data is CC BY-SA 4.0.

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