A flaw was found in libsoup. When establishing HTTPS tunnels through a configured HTTP proxy, sensitive session cookies are transmitted in cleartext within the initial HTTP CONNECT request. A network-positioned attacker or a malicious HTTP proxy can intercept these cookies, leading to potential session hijacking or user impersonation.
Exploitability
AV:NAC:HPR:NUI:RScope
S:UImpact
C:HI:LA:N5.9/CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:NOther