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MEDIUM6.8

GO-2025-3751

Sensitive headers not cleared on cross-origin redirect in net/http

Quick fix

GO-2025-3751 — stdlib: upgrade to the fixed version with the command below.

go get stdlib@v1.23.10

Details

Proxy-Authorization and Proxy-Authenticate headers persisted on cross-origin redirects potentially leaking sensitive information.

Are you affected?

Enter the version of the package you're using.

Affected packages

Go/stdlib
Introduced in: 0Fixed in: 1.23.10
Fixgo get stdlib@v1.23.10

References