CVE-2025-21620
CVSS 3.1 Score 7.5 of 10 (high)
Details
Published Jan 6, 2025
CWE ID 200
Summary
CVE-2025-21620 is a vulnerability affecting Deno, a JavaScript, TypeScript, and WebAssembly runtime. When a user sends a request with an Authorization header to one domain, and the server responds with a redirect to a different domain, Deno's fetch() function will maintain the original Authorization header during the redirect. This issue enables information leakage, allowing unintended parties to access sensitive authentication data. The vulnerability is resolved in Deno version 2.1.2.
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Affected Products
- Deno
- Den-O
Affected Vendors
- Deno