ChatGPT Security Incident

LLM-generated passwords from tools like Claude, ChatGPT, and Gemini are "fundamentally weak" due to inherent patterns that make them highly predictable and easily guessable, despite appearing complex. Research indicates these passwords have significantly lower entropy (20-27 bits) compared to truly random ones, allowing them to be brute-forced in a matter of hours, potentially ushering in a new era of password brute-forcing.

What Happened

LLM-generated passwords from tools like Claude, ChatGPT, and Gemini are "fundamentally weak" due to inherent patterns that make them highly predictable and easily guessable, despite appearing complex. Research indicates these passwords have significantly lower entropy (20-27 bits) compared to truly random ones, allowing them to be brute-forced in a matter of hours, potentially ushering in a new era of password brute-forcing.

Why This Matters

Current evidence identifies a security issue involving ChatGPT, but does not yet support a more specific impact claim.

Recommended Action

No confirmed vendor remediation is available in the current evidence. Confirm whether ChatGPT is present in your environment and review the affected configuration.

Exposure

Exposure reason: This incident does not currently match a technology in My AI Stack.

Exploitation status: UNKNOWN

Primary entities:

Timeline

• Incident first seen
  Feb 18, 2026 05:30

  BugSkan first recorded this incident.

• LLM-generated passwords 'fundamentally weak,' experts say - theregister.com
  Feb 18, 2026 05:30

  theregister.com · Research

Sources

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