PT-2026-28762 · Red Hat · Red Hat Enterprise Linux 10+4

Published 2026-03-30 · Updated 2026-03-30 · CVE-2026-5119

NVD

CVSS v3.1

5.9

Medium

AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N

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.

Fix

Cleartext Transmission of Sensitive Information

Weakness Enumeration

CWE-319

Related Identifiers

CVE-2026-5119

Affected Products

Red Hat Enterprise Linux 10

Red Hat Enterprise Linux 6

Red Hat Enterprise Linux 7

Red Hat Enterprise Linux 8

Red Hat Enterprise Linux 9

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-5119 · Security Note
• https://gitlab.gnome.org/GNOME/libsoup/-/issues/502 · Note
• https://access.redhat.com/security/cve/CVE-2026-5119 · Note
• https://bugzilla.redhat.com/show_bug.cgi?id=2452932 · Note