Cleartext Transmission of Sensitive Information Affecting libsoup-devel package, versions <0:2.72.0-16.el9_8.1


Severity

Recommended
medium

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.25% (17th percentile)

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  • Snyk IDSNYK-ALMALINUX9-LIBSOUPDEVEL-16478692
  • published7 May 2026
  • disclosed19 May 2026

Introduced: 7 May 2026

CVE-2026-5119  (opens in a new tab)
CWE-319  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 libsoup-devel to version 0:2.72.0-16.el9_8.1 or higher.
This issue was patched in ALSA-2026:19356.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libsoup-devel package and not the libsoup-devel package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1