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

EPSS Score

0.02% (percentile: 3.9%)

Affected Products (2)

Other

• 21076-17084
• 21077-17086

Revision History

• 2026-03-27: Information published.