CVE-2026-27142: URLs in meta content attribute actions are not escaped in html/template

Overview

Severity
High (CVSS 7.5)
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploit Status
Not Exploited
Patch Tuesday
2026-Mar
Released
2026-03-11
EPSS Score
0.06% (percentile: 18.9%)

Affected Products (11)

Mariner

  • azl3 gcc 13.2.0-7 on Azure Linux 3.0

Open Source Software

  • cbl2 gcc 11.2.0-9 on CBL Mariner 2.0
  • azl3 golang 1.25.7-1 on Azure Linux 3.0
  • cbl2 golang 1.18.8-10 on CBL Mariner 2.0
  • cbl2 golang 1.22.7-5 on CBL Mariner 2.0
  • azl3 golang 1.26.0-1 on Azure Linux 3.0
  • cbl2 msft-golang 1.24.13-1 on CBL Mariner 2.0
  • cbl2 python-tensorboard 2.11.0-3 on CBL Mariner 2.0
  • azl3 python-tensorboard 2.16.2-6 on Azure Linux 3.0
  • cbl2 tensorflow 2.11.1-2 on CBL Mariner 2.0
  • azl3 tensorflow 2.16.1-11 on Azure Linux 3.0

Revision History

  • 2026-03-11: Information published.