Vulnerability · NVD

CVE-2026-3784

CVE-2026-3784 : medium severity (CVSS 6.5). No tracked catalog app is linked to this CVE.

Severity (CVSS): 6.5
Exploitation: 0.5 %
Tracked apps: 0
Still exposed: 0

Published on 2026-03-11

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.

Attack vector : Network No privileges required No user interaction

Show raw CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

EPSS 0.45% exploit very unlikely percentile 36.5%

OS versions that fix this CVE

This CVE is resolved by the following OS security releases. Update the OS to at least the listed version.

iOS Fixed in 26.6 18.7.10
iPadOS Fixed in 26.6 18.7.10
macOS Fixed in 26.6 15.7.8 14.8.8

View on NVD ↗ Advisory · curl.se

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