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44 disclosed this week · 26,355 on record

DeepSeek

Disclosed Jan 29, 2025Unverified

Unauthenticated ClickHouse database exposed chat history and API secrets

Wiz Research found a publicly accessible, unauthenticated ClickHouse database belonging to DeepSeek containing over a million log lines, including user chat history, API secrets and backend details. DeepSeek secured it after being notified.

What is known

People affectedNot stated in the sources we have
DisclosedJan 29, 2025
DiscoveredJan 2025
AttackExposed data
Data exposedPrompts and chatsMessagesAPI keysOtherInternal documents
SectorAI · CN
StatusUnverified: not yet confirmed by an official notice, a filing or the organization

Sources

Notices filed

History of this record
data_types2026-09-25
["prompts","messages","api-keys","other"] to ["prompts","messages","api-keys","other","internal-docs"]by seedSource
discovered2026-09-25
empty to 2025-01by seedSource
summary2026-09-25
Wiz researchers found an unauthenticated DeepSeek back-end database exposing more than a million log lines, including user chat histories, API keys and backend details; it was taken offline after DeepSeek was alerted. to Wiz Research found a publicly accessible, unauthenticated ClickHouse database belonging to DeepSeek containing over a million log lines, including user chat history, API secrets and backend details. DeepSeek secured it after being notified.by seedSource
title2026-09-25
DeepSeek left database with chat histories and API keys open online to Unauthenticated ClickHouse database exposed chat history and API secretsby seedSource
Added2026-09-25
First recordedby seedSource

First seen 2026-09-25 (Research). Record counts are as reported. Not legal advice.

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