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Vulnerability DatabaseCVE-2026-3784

CVE-2026-3784: 
cURL vulnerability analysis and mitigation

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.

Source: NVD

Related cURL vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-3805HIGH7.5
  • cURLcURL
  • rust-std-static-x86_64-unknown-none
NoYesMar 11, 2026
CVE-2026-3784MEDIUM6.5
  • cURLcURL
  • curl-minimal
NoYesMar 11, 2026
CVE-2026-1965MEDIUM6.5
  • cURLcURL
  • clippy
NoYesMar 11, 2026
CVE-2026-3783MEDIUM5.3
  • cURLcURL
  • rust-std-static-wasm32-wasip1
NoYesMar 11, 2026
CVE-2025-11563MEDIUM4.6
  • cURLcURL
  • libcurl4-32bit
NoYesFeb 25, 2026

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