MEDIUM4.3
GO-2024-2600
Incorrect forwarding of sensitive headers and cookies on HTTP redirect in net/http
Quick fix
GO-2024-2600 — stdlib: upgrade to the fixed version with the command below.
go get stdlib@v1.21.8Details
When following an HTTP redirect to a domain which is not a subdomain match or exact match of the initial domain, an http.Client does not forward sensitive headers such as "Authorization" or "Cookie". For example, a redirect from foo.com to www.foo.com will forward the Authorization header, but a redirect to bar.com will not.
A maliciously crafted HTTP redirect could cause sensitive headers to be unexpectedly forwarded.
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