EventCybersecurityOctober 26, 2026

Cloudflare fixes cross-request KV cache leak in GLM-5.3 on Workers AI

Read original source →blog.cloudflare.com

155 responses leaked other customers' data between Aug 27 and Sep 9, all from prompts longer than 681,280 tokens. Cloudflare took the model offline within 40 minutes of declaring an incident and restored it Sep 9; no other Workers AI model was affected.

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