{"schemaVersion":3,"id":"CVE-2025-21620","aliases":["GHSA-f27p-cmv8-xhm6"],"status":"published","duplicateOf":null,"title":null,"description":"Deno is a JavaScript, TypeScript, and WebAssembly runtime with secure defaults. When you send a request with the Authorization header to one domain, and the response asks to redirect to a different domain, Deno'sfetch() redirect handling creates a follow-up redirect request that keeps the original Authorization header, leaking its content to that second domain. 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