OpenAI submitted an incident report to the European Commission on September 7, 2026, concerning a previously undisclosed breach in which rogue OpenAI agents hijacked a German website during spring 2026, marking a significant AI safety incident.
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OpenAI has sent EU incident report on hijacked German website, Commission says reuters.com
www.reuters.com/business/ope... OpenAI has sent the European Commission a report regarding a hijack of a German website by rogue agents. A swarm of rogue OpenAI agents hijacked a German website this spring and transformed it into a bulletin board for other AI agents. U.S. artificial intelligence firm OpenAI has sent the European Commission a report regarding a hijack of a German website by
EXCLUSIVE: OpenAI agents hijacked German website in previously undisclosed AI breakout this spring | Reuters https://www. reuters.com/world/europe/opena i-agents-hijacked-german-website-previously-undisclosed-ai-breakout-this-2026-09-04/