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CVE-2026-19931 Negotiate ambient user conn reuse

🗓️ 06 Sep 2026 17:47:43Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 8 Views

libcurl reuses Negotiate-authenticated connection after empty-credential request, leaking user auth.

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17 Sep 2026 03:31Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.19.8
EPSS0.01162
8