Threats·Cloud & SaaSBreakingCloudflare Workers KV Cache Poisoning Flaw Enables Edge Response Tampering and Malicious Script Injection (CVE-2026-73190)Cloudflare resolves critical vulnerability CVE-2026-73190 in Workers KV edge caching, where HTTP Range header normalization flaws allowed global cache poisoning.CST Newsroom11 Oct 20268 min read