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Cross-request KV cache exposure in the GLM-5.3 Workers AI model, and our remediation with SGLang

Technology · en

Cross-request KV cache exposure in the GLM-5.3 Workers AI model, and our remediation with SGLang

Cloudflare Blog · Official source · Oct 26, 2026, 10:01 PM UTC

A configuration mismatch in GLM 5.3 on Workers AI triggered an SGLang bug that exposed KV cache pages across requests. Here is how we addressed the issue.