GCD AI RADAR
incidents/AIR-2024-0005

OpenAI ChatGPT macOS App Stored User Conversations in Plain Text

Attack on AI2 Disclosed vulnerabilityData leak

OpenAI's ChatGPT application for macOS stored user chat logs in unencrypted plain text files locally. The security flaw allowed potential local access to sensitive conversations until OpenAI released an update.

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
2 · Disclosed vulnerability
CVE or vendor advisory, patched or patchable, no confirmed exploitation.
targets
OpenAI
products
ChatGPT Mac App
incident date
1 Jul 2024
first reported
1 Jul 2024
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
plaintext · local-storage · privacy · chatgpt
record
created 2026-10-18 06:33Z · updated 2026-10-18 06:59Z · json

Sources · 1

  1. 2024-07-01
    OpenAI's ChatGPT Mac App Stored User Data in Unencrypted Text Files
    AI Incident Database · incidentdatabase.ai/cite/757

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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