CVE-2026-3784 in cURL

Sumário

de MITRE • 11/03/2026

curl would wrongly reuse an existing HTTP proxy connection doing CONNECT to a server, even if the new request uses different credentials for the HTTP proxy. The proper behavior is to create or use a separate connection.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

• Responsável: Curl
• Reservar: 08/03/2026
• Divulgação: 11/03/2026
• Moderação: aceite
• Entrada: VDB-350376
• CPE: pronto
• CWE: CWE-305 (confirmado)
• CVSS: 6.5 (CISA-ADP)
• EPSS: 0.00302
• KEV: não
• Atividades: muito baixo
• Sector: Energy, Hostingprovider, ...

Fontes

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-3784
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-3784
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-3784/