What was the vulnerability in this ChatGPT?

CPR discovered a hidden outbound communication channel in ChatGPT's code execution environment. Malicious prompts could potentially lead to the leakage of users' confidential conversation data to external servers.

Has this vulnerability been fixed?

Yes, OpenAI confirmed that they received the report from Check Point Research and fully deployed the fix on February 20, 2026.

Did any data actually leak due to this vulnerability?

According to the announcement, no actual exploitation was confirmed. However, there was a theoretical possibility that confidential data could have leaked externally.

AI News NQ Analysis

Check Point Research Discovers Hidden Outbound Channel in ChatGPT Code Execution Environment

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AI Summary (NQ-processed)

Check Point Research (CPR) has discovered a hidden outbound communication channel within ChatGPT's code execution runtime environment. This vulnerability could have allowed confidential user conversation data to leak to external servers via a single malicious prompt without user notification or approval. OpenAI confirmed that it fully deployed a fix on February 20, 2026, after receiving CPR's report.

AI Analysis

Frequently Asked Questions

Q: What was the vulnerability in this ChatGPT?: A: CPR discovered a hidden outbound communication channel in ChatGPT's code execution environment. Malicious prompts could potentially lead to the leakage of users' confidential conversation data to external servers.
Q: Has this vulnerability been fixed?: A: Yes, OpenAI confirmed that they received the report from Check Point Research and fully deployed the fix on February 20, 2026.
Q: Did any data actually leak due to this vulnerability?: A: According to the announcement, no actual exploitation was confirmed. However, there was a theoretical possibility that confidential data could have leaked externally.