CVEvulnerability
CVE-2026-5119
8.2 HIGH
Official page ↗
- Status
- Modified
- Published
- 2026-03-30
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.9 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N
- CVSS 3.1 ([email protected])
- 8.2 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
- Weaknesses
- CWE-319
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.
Affected configurations
• gnome libsoup
• redhat enterprise linux 7.0
• redhat enterprise linux 8.0
• redhat enterprise linux 9.0
• redhat enterprise linux 10.0
Related
Weakness · CWE (1)
- CWE-319 Cleartext Transmission of Sensitive Information weakness
References
- https://access.redhat.com/errata/RHSA-2026:13978 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:14087 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:15968 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:17482 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:19143 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:19356 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:21686 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:22316 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:22317 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:22323 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:22710 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:22716 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:24344 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:24722 access.redhat.com
- https://access.redhat.com/security/cve/CVE-2026-5119 Mitigation, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2452932 Issue Tracking, Vendor Advisory
- https://gitlab.gnome.org/GNOME/libsoup/-/issues/502 Exploit, Issue Tracking