Cloudflare Workers AI GLM 5.3 leaks data

Cloudflare published a report detailing a bug in its Workers AI model that returned other customers' conversation data alongside a normal 200 OK response. The issue stemmed from shared GPU memory pools used for KV caches where memory pages were not wiped between requests. This flaw shares a similar root cause with data leakage issues previously observed in ChatGPT and other API providers. Open article →