CVE-2026-5119: Libsoup: libsoup: information disclosure via cleartext transmission of cookies during https tunnel establishment

Overview

Severity
Medium (CVSS 5.9)
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N
Exploit Status
Not Exploited
Patch Tuesday
2026-Mar
Released
2026-04-02
Last Updated
2026-04-14
EPSS Score
0.02% (percentile: 5.8%)

Affected Products (3)

Open Source Software

  • cbl2 libsoup 3.0.4-13 on CBL Mariner 2.0
  • azl3 libsoup 3.4.4-14 on Azure Linux 3.0

Other

  • 21202-17084

Revision History

  • 2026-04-02: Information published.
  • 2026-04-02: Information published.
  • 2026-04-14: Information published.