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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-5119 Detail

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

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://access.redhat.com/errata/RHSA-2026:13978 Red Hat, Inc.
https://access.redhat.com/errata/RHSA-2026:14087 Red Hat, Inc.
https://access.redhat.com/errata/RHSA-2026:15968 Red Hat, Inc.
https://access.redhat.com/errata/RHSA-2026:17482 Red Hat, Inc.
https://access.redhat.com/errata/RHSA-2026:19143 Red Hat, Inc.
https://access.redhat.com/errata/RHSA-2026:19356 Red Hat, Inc.
https://access.redhat.com/errata/RHSA-2026:21686 Red Hat, Inc.
https://access.redhat.com/errata/RHSA-2026:22316 Red Hat, Inc.
https://access.redhat.com/errata/RHSA-2026:22323 Red Hat, Inc.
https://access.redhat.com/security/cve/CVE-2026-5119 Red Hat, Inc. Mitigation  Vendor Advisory 
https://bugzilla.redhat.com/show_bug.cgi?id=2452932 Red Hat, Inc. Issue Tracking  Vendor Advisory 
https://gitlab.gnome.org/GNOME/libsoup/-/issues/502 Red Hat, Inc. Exploit  Issue Tracking 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-319 Cleartext Transmission of Sensitive Information Red Hat, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

9 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-5119
NVD Published Date:
03/30/2026
NVD Last Modified:
06/01/2026
Source:
Red Hat, Inc.