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curl: CVE-2026-4873: connection reuse ignores TLS requirement

🗓️ 22 Mar 2026 23:18:29Reported by bonaireType 
hackerone
 hackerone
🔗 hackerone.com👁 9 Views

Curl flaw lets TLS mail transfers reuse plaintext connections due to missing TLS flag on reuse.

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29 Apr 2026 06:47Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.15.9
EPSS0.00014
SSVC
9