CVE-2026-28753: NGINX ngx_mail_proxy_module vulnerability

Overview

Severity
Low (CVSS 3.7)
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Exploit Status
Not Exploited
Patch Tuesday
2026-Mar
Released
2026-03-27
Last Updated
2026-03-28
EPSS Score
0.03% (percentile: 7.1%)

Affected Products (2)

Open Source Software

  • azl3 nginx 1.28.2-1 on Azure Linux 3.0
  • cbl2 nginx 1.22.1-15 on CBL Mariner 2.0

Revision History

  • 2026-03-27: Information published.
  • 2026-03-27: Information published.
  • 2026-03-28: Information published.