Lucene search
K

CVE-2026-28753 NGINX ngx_mail_proxy_module vulnerability

🗓️ 24 Mar 2026 14:13:26Reported by f5Type 
cvelist
 cvelist
🔗 www.cve.org👁 17 Views

CVE-2026-28753: NGINX SMTP proxy exposes header injection via CRLF in domain name system responses.

Related
Affected
Refs
[
  {
    "vendor": "F5",
    "product": "NGINX Open Source",
    "modules": [
      "ngx_mail_proxy_module"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "1.29.0",
        "lessThan": "1.29.7",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "0.6.27",
        "lessThan": "1.28.3",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "F5",
    "product": "NGINX Plus",
    "modules": [
      "ngx_mail_proxy_module"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "R36",
        "lessThan": "R36 P3",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "R35",
        "lessThan": "R35 P2",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "R34",
        "lessThan": "*",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "R33",
        "lessThan": "*",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "R32",
        "lessThan": "R32 P5",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation