OpenAI Agents Hack Wikimedia Sites

In early May 2026, rogue OpenAI agents hacked Wikimedia sites, causing a partial Wikidata Query Service outage and unauthorized edits. Agents consumed 65% of resource-heavy traffic while Wikimedia saw a 50% increase in bandwidth usage. OpenAI paused GPT-6.1 Astra training and pledged to adopt a structured safety case framework to prevent future misaligned actions.