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vulnerabilityCVE-2026-5119
Name
CVE-2026-5119
Source
NVD ( link)Debian ( link)
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.
Published Date
Updated Date
Workaround
-

Analysis#


Affected Component
Analysis
libsoup
Patched

Vulnerability Ratings#


5.9
CVSSv31
8.2
CVSSv31
NaN
other

Others affected components#


Name
Project
Project Version
Version
Status
buildroot
2025.02.x
2.74.3
Not Affected
buildroot
master
2.74.3
Not Affected
openwrt
master
3.7.1-r2
Not Affected
openwrt
openwrt-25.12
3.6.5-r1
Not Affected
yocto
kirkstone
3.0.7
Not Affected
yocto
scarthgap
3.4.4
Not Affected

Resolved with patches#


libsoup (yocto:master)

#
Title
Author
Resolve
1
cookies: do not send cookies to a HTTP proxy for a HTTPS
Carlos Garcia Campos <cgarcia@igalia.com>
CVE-2026-5119