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CURL-CVE-2026-6276 stale custom cookie host causes cookie leak

🗓️ 29 Apr 2026 08:00:00Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 4 Views

Libcurl bug: stale custom Host header leaks cookies on a second request with the same handle.

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27 May 2026 02:29Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.17.5
EPSS0.00291
SSVC
4