VULNERABILITY INTELLIGENCE
CVE-2026-5119
CVSS score5.9 MEDIUM
EPSS probability0.26%
CISA KEVNot currently listed
Published2026-03-30
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N
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.
Weakness classification
- secalert@redhat.com: CWE-319