Security Advisory

CVE-2025-21620

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-01-06 22:26:40

Last updated 2025-01-07 16:49:19

Assigner GitHub_M

State PUBLISHED

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, Denosfetch() redirect handling creates a follow-up redirect request that keeps the original Authorization header, leaking its content to that second domain. This vulnerability is fixed in 2.1.2.

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