Fix open redirect vulnerability in OAuth return path#74
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Validate that the OAuth return path stored in the session is a safe relative path. Protocol-relative URLs (e.g. //evil.com) are rejected and replaced with "/" to prevent redirecting users to external domains after the OAuth flow completes.
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Validate that the OAuth return path stored in the session is a safe relative path. Protocol-relative URLs (e.g. //evil.com) are rejected and replaced with "/" to prevent redirecting users to external domains after the OAuth flow completes.