https://www.live-feeds.com/feed/researchers-used-anthropic-s-claude-to-hack-into-openaiContinuously updated, source-cited coverage. https://www.live-feeds.com/feed/researchers-used-anthropic-s-claude-to-hack-into-openaihttps://www.live-feeds.com/feed/researchers-used-anthropic-s-claude-to-hack-into-openai#u77535Sun, 20 Sep 2026 14:50:25 +0000Security researchers used Anthropic's Claude chatbot to hack into OpenAI. A three-person team from the startup Hacktron AI successfully breached OpenAI staff accounts by chaining two vulnerabilities, beginning with a HEIF image upload to a community forum. While some reports describe the event as an ethical hack, others characterize it as a breach that heightens existing safety and security concerns. The attack was reportedly made possible after Anthropic released the Opus 5 model, whereas previous versions of Claude were unable to achieve the same result.Why it mattersThe incident occurs