Check Point Finds DNS Tunneling Data Leak
Check Point Software Technologies on April 4, 2026 disclosed a DNS-tunneling vulnerability in ChatGPT’s code-execution runtime that can exfiltrate user data without triggering outbound alerts. The company demonstrated how malicious prompts or compromised custom GPTs could hide data in DNS lookups, quietly leaking model summaries and uploaded files, posing privacy and enterprise-security risks for millions of users.
Scoring Rationale
Fresh disclosure (April 4, 2026) from reputable Check Point describing a novel, practical DNS-exfiltration path in ChatGPT. Scored high for novelty, scope, and credibility; slightly reduced because published mitigations and deep technical guidance are limited.
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Sources
- Read OriginalCan you really trust your ‘private’ AI assistant to keep your secrets?jpost.com

