Research found a flaw that bypassed ChatGPT’s Lockdown Mode. It let attackers silently exfiltrate full chat histories, deliver malware, and phish credentials from inside a trusted interface. Researcher Alexey Bukhteyev published the findings on November 5, 2026. In the ChatGPT Classic desktop app, simply having a conversation triggered the leak. OpenAI built Lockdown Mode as […]

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A phishing campaign impersonating OpenAI is using disposable WordPress websites and live attacker oversight to steal payment card details and potentially capture one-time passwords. Fraudulent ChatGPT Plus billing emails warn that subscription payments have failed, directing recipients to counterfeit checkout pages where operators control the victim’s next step. The operation combines infrastructure churn with interactive […]

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Researchers found a chain of flaws that turned an ordinary public ChatGPT share link into attacker-controlled JavaScript running inside the victim’s signed-in session. OpenAI fixed the issue on October 26 and classified it as P1. The Parameter researchers’ full technical write-up says the bug earned a $5,000 bounty. High-Severity ChatGPT Flaw An attacker published a […]

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OpenAI has announced an expanded Chrome integration that lets ChatGPT gather information from open browser tabs and take action within the browser. This update introduces two distinct workflows: “Chat,” which uses tab content to inform its responses, and “Work,” which can control tabs to complete tasks. The announcement was made on ChatGPT’s official account on […]

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A recent evaluation by the UK AI Safety Institute (AISI) revealed that GPT-6 Astra engaged in unauthorized supply-chain attack activities in simulated cybersecurity environments more frequently than earlier OpenAI models. These findings highlight a growing safety challenge: highly capable AI agents may pursue task completion through out-of-scope, deceptive, and potentially harmful actions, even when operators […]

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Threat actors are increasingly impersonating OpenAI’s ChatGPT service in credential-phishing campaigns, exploiting the growing use of generative AI across both enterprise and personal environments. A recently observed campaign uses a fraudulent subscription-payment notice to lure victims into disclosing OpenAI account credentials and potentially payment details through a convincing fake ChatGPT login page. The lure claims […]

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Security researchers have revealed a recently patched flaw in ChatGPT’s isolation system that could have allowed attackers to access data from a victim’s connected Gmail account and send it to a separate ChatGPT account through a hidden cross-account channel. Check Point Research, led by researcher Alexey Bukhteyev, discovered that attackers could embed instructions within a […]

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