CVE-2026-5119
MEDIUM
NVD
CVSS Score
5.9
Severity
MEDIUM
Published
Mar 30, 2026
Vendor
unknown
Description
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.