CVE-2026-5119

Published: Mar 30, 2026

Modified: Jun 3, 2026

PUBLISHED

CVSS v3.1

5.9

MEDIUM

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.

Vendor	Product	Versions
Red Hat	Red Hat Enterprise Linux 10	unaffected `0:3.6.5-3.el10_1.11 - < *`
Red Hat	Red Hat Enterprise Linux 10	unaffected `0:3.6.5-3.el10_2.11 - < *`
Red Hat	Red Hat Enterprise Linux 10.0 Extended Update Support	unaffected `0:3.6.5-3.el10_0.15 - < *`
Red Hat	Red Hat Enterprise Linux 8	unaffected `0:2.62.3-14.el8_10 - < *`
Red Hat	Red Hat Enterprise Linux 8	unaffected `0:2.62.3-14.el8_10 - < *`
Red Hat	Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support	unaffected `0:2.62.3-2.el8_4.9 - < *`
Red Hat	Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On	unaffected `0:2.62.3-2.el8_4.9 - < *`
Red Hat	Red Hat Enterprise Linux 8.8 Telecommunications Update Service	unaffected `0:2.62.3-3.el8_8.9 - < *`
Red Hat	Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions	unaffected `0:2.62.3-3.el8_8.9 - < *`
Red Hat	Red Hat Enterprise Linux 9	unaffected `0:2.72.0-12.el9_7.6 - < *`
Red Hat	Red Hat Enterprise Linux 9	unaffected `0:2.72.0-16.el9_8.1 - < *`
Red Hat	Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions	unaffected `0:2.72.0-8.el9_0.10 - < *`
Red Hat	Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions	unaffected `0:2.72.0-8.el9_2.11 - < *`
Red Hat	Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions	unaffected `0:2.72.0-8.el9_4.10 - < *`
Red Hat	Red Hat Enterprise Linux 9.6 Extended Update Support	unaffected `0:2.72.0-10.el9_6.7 - < *`
Red Hat	Red Hat Enterprise Linux 6	All versions
Red Hat	Red Hat Enterprise Linux 7	All versions