[Backport 20.3.X] fix(service-worker): Strips sensitive headers on cross-origin redirects - #69230
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Removes `Authorization`, `Cookie`, and `Proxy-Authorization` headers when a request is redirected to a different origin. This aligns with the Fetch API's redirect algorithm to prevent sensitive information from being sent to third-party origins. (cherry picked from commit 423a109)
JeanMeche
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Jun 8, 2026
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Backport of #69029