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curl: Cross‑origin cookies leak and injection risk when using a custom Host header

🗓️ 19 Jan 2026 18:46:21Reported by b4c90000040c1287364ccde6de680Type 
hackerone
 hackerone
🔗 hackerone.com👁 20 Views

Custom Host header causes cookies to be matched and sent using a spoofed host, leaking across redirects.

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