CVE-2026-5119

HighCVSS 8.2/10Last modified Nov 5, 2026

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.

Metrics

CVSS 3.1 8.2/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Weakness enumeration

CWE-319

Affected software

VendorProductVersions
Red HatRed Hat Enterprise Linux 10—
Red HatRed Hat Enterprise Linux 10—
Red HatRed Hat Enterprise Linux 10.0 Extended Update Support—
Red HatRed Hat Enterprise Linux 7 Extended Lifecycle Support—
Red HatRed Hat Enterprise Linux 8—
Red HatRed Hat Enterprise Linux 8—
Red HatRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support—
Red HatRed Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On—
Red HatRed Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support—
Red HatRed Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On—
Red HatRed Hat Enterprise Linux 8.8 Telecommunications Update Service—
Red HatRed Hat Enterprise Linux 8.8 Update Services for SAP Solutions—
Red HatRed Hat Enterprise Linux 9—
Red HatRed Hat Enterprise Linux 9—
Red HatRed Hat Enterprise Linux 9.0 Update Services for SAP Solutions—
Red HatRed Hat Enterprise Linux 9.2 Update Services for SAP Solutions—
Red HatRed Hat Enterprise Linux 9.4 Update Services for SAP Solutions—
Red HatRed Hat Enterprise Linux 9.6 Extended Update Support—
Red HatRed Hat Enterprise Linux 6—

References

Timeline

Published
Mar 30, 2026
Last modified
Nov 5, 2026
NVD status
Modified

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