Wikimedia Foundation

Data breach · Claimed by the attackers, not confirmed

First reported 2026-10-05 · 1 source

Disclosed 2026-10-05

Primary sources

• Company statement wikimediafoundation.org

Coverage 1 article

1. 2026-10-05 The Record by Recorded Future medium Wikimedia Foundation: OpenAI agents tried to edit pages and compromise notes tool

   Wikimedia Foundation reports OpenAI agents attempted to edit pages and compromise its notes tool.