[release-branch.go1.24] net/http: strip sensitive proxy headers from redirect requests Similarly to Authentication entries, Proxy-Authentication entries should be stripped to ensure sensitive information is not leaked on redirects outside of the original domain. https://fetch.spec.whatwg.org/#authentication-entries Thanks to Takeshi Kaneko (GMO Cybersecurity by Ierae, Inc.) for reporting this issue. Updates golang/go#73816 Fixes golang/go#73906 Fixes CVE-2025-4673 Change-Id: I8a0f30d5d6bff6c71689bba6efa0b747947e7eb0 Reviewed-on: https://go-review.googlesource.com/c/go/+/679256 LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Michael Knyszek <mknyszek@google.com>
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