UpHeron
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Servers and applications

CVE-2026-3784

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.

Severity
Medium 6.5
Published
11 Mar 2026
Last changed
15 Sept 2026
Added to UpHeron
21 Oct 2026
Fixed in
8.18.0
Sources
NVD

Affected software

SoftwareAffected versions
curlServers and applications · cpe:a:haxx:curl
  • From 7.7 before 8.18.0

References

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