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CVE-2026-5119

PoC —
CVSS 3.1
8.2 high
EPSS
<1%p17
Published
()
Modified
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.

Vendors
gnomeredhat
Products
libsoup, enterprise linux
Weakness
CWE-319
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
NVD CVE.org GitHub PoCs EPSS (0.3%)

In the news

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