DeepSeek exposes database with over 1 million chat data

DeepSeek, the Chinese language AI startup identified for its DeepSeek-R1 LLM mannequin, has publicly uncovered two databases containing delicate person and operational info.

The unsecured ClickHouse cases reportedly held over 1,000,000 log entries containing person chat historical past in plaintext type, API keys, backend particulars, and operational metadata.

Wiz Analysis found this publicity throughout a safety evaluation of DeepSeek’s exterior infrastructure.

The safety agency discovered two publicly accessible database cases at oauth2callback.deepseek.com:9000 and dev.deepseek.com:9000 that allowed arbitrary SQL queries through an online interface with out requiring authentication.

The databases contained a ‘log_stream’ desk that saved delicate inside logs courting from January 6, 2025, containing:

  • person queries to DeepSeek’s chatbot,
  • keys utilized by backend methods to authenticate API calls,
  • inside infrastructure and companies info, 
  • and numerous operational metadata.
Chat log in plaintext
Chat log in plaintext
Supply: Wiz

“This level of access posed a critical risk to DeepSeek’s own security and for its end-users,” feedback Wiz.

“Not only an attacker could retrieve sensitive logs and actual plaintext chat messages, but they could also potentially exfiltrate plaintext passwords and local files along propriety information directly from the server using queries like: SELECT * FROM file(‘filename’) depending on their ClickHouse configuration.”

Exposed data
Uncovered knowledge
Supply: Wiz

Wiz says it might execute extra intrusive queries however restricted its exploration to enumeration to maintain its analysis inside sure moral constraints.

It’s unknown if Wiz’s researchers have been the primary to find this publicity or if malicious actors have already taken benefit of the misconfiguration.

In any case, Wiz knowledgeable DeepSeek of the matter, and the corporate promptly addressed the publicity, so the databases are now not public.

DeepSeek’s safety issues

Aside from all of the issues that come up from DeepSeek being a China-based know-how firm, that means it has to adjust to aggressive knowledge entry requests from the nation’s authorities, the corporate doesn’t seem to have established a strong safety stance, inserting delicate knowledge in danger.

The publicity of person prompts is a privateness breach that needs to be very regarding for organizations utilizing the AI mannequin for delicate enterprise operations.

Moreover, the publicity of backend particulars and API keys might give attackers a method into DeepSeek’s inside networks, privilege escalation, and doubtlessly larger-scale breaches.

Earlier this week, the Chinese language platform was focused by persistent cyberattacks, which it appeared unable to thwart, forcing it to droop new person registrations for almost 24 hours.

Recent articles