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curl: CVE-2026-6276: stale custom cookie host causes cookie leak

🗓️ 14 Apr 2026 05:45:11Reported by arkssType 
hackerone
 hackerone
🔗 hackerone.com👁 30 Views

CVE-2026-6276: libcurl may leak cookies via stale cookie host after a custom Host header request.

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29 Apr 2026 07:14Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.17.5
EPSS0.00291
SSVC
30