Matching of hosts against proxy patterns can improperly treat an IPv6 zone ID as a hostname component. For example, when the NO_PROXY environment variable is set to "*.example.com", a request to "[::1%25.example.com]:80` will incorrectly match and not be proxied.
Exploitability
AV:LAC:LPR:LUI:NScope
S:UImpact
C:LI:NA:L4.4/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L