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CVE-2026-28755 NGINX ngx_stream_ssl_module vulnerability

🗓️ 24 Mar 2026 14:13:26Reported by f5Type 
cvelist
 cvelist
🔗 www.cve.org👁 21 Views

NGINX ngx_stream_ssl_module accepts revoked certs during handshake when ssl_verify_client and ssl_ocsp are on.

Related
Affected
Refs
[
  {
    "vendor": "F5",
    "product": "NGINX Open Source",
    "modules": [
      "ngx_stream_ssl_module"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "1.29.0",
        "lessThan": "1.29.7",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "1.27.2",
        "lessThan": "1.28.3",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "F5",
    "product": "NGINX Plus",
    "modules": [
      "ngx_stream_ssl_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"
      }
    ],
    "defaultStatus": "unknown"
  }
]

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24 Mar 2026 14:43Current
CVSS 45.3
CVSS 3.15.4
EPSS0.00012
21