Cloudflare fixes cross-customer data exposure in GLM 5.3 on Workers AI
Cloudflare says the flaw put data from earlier customers' GLM 5.3 requests into 155 responses before the model was fixed.
• Cloudflare says 155 GLM 5.3 responses exposed data from other customers' requests between August 27 and September 9.
• All affected responses were to prompts longer than 681,280 tokens, according to Cloudflare.
• Cloudflare restored the model on September 9 after changing its configuration and patching SGLang.
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October 27, 2026 34
