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CVE-2026-42946

🗓️ 13 May 2026 14:12:44Reported by f5Type 
cve
 cve
🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 42 Views

CVE-2026-42946: NGINX scgi and uwsgi modules may cause memory over-read or worker restart via MITM-controlled upstream responses.

Related
Detection
Affected
Refs
Social
NVD
Node
f5dosRange4.3.04.7.0nginx
OR
f5dosMatch4.8.0nginx
OR
f5nginx_gateway_fabricRange1.3.01.6.2
OR
f5nginx_gateway_fabricRange2.0.02.6.0
OR
f5nginx_ingress_controllerRange3.5.03.7.2
OR
f5nginx_ingress_controllerRange4.0.04.0.1
OR
f5nginx_ingress_controllerRange5.0.05.4.2
OR
f5nginx_instance_managerRange2.16.02.22.0
OR
f5nginx_open_sourceRange0.8.420.9.7
OR
f5nginx_open_sourceRange1.0.01.30.0
OR
f5nginx_plusRanger32r36
OR
f5wafRange4.9.04.16.0nginx
OR
f5wafRange5.1.05.8.0nginx
OR
f5wafRange5.9.05.12.1nginx
[
  {
    "defaultStatus": "unknown",
    "modules": [
      "ngx_http_scgi_module and ngx_http_uwsgi_module"
    ],
    "product": "NGINX Plus",
    "vendor": "F5",
    "versions": [
      {
        "lessThan": "*",
        "status": "unaffected",
        "version": "R37",
        "versionType": "custom"
      },
      {
        "lessThan": "R36 P4",
        "status": "affected",
        "version": "R36",
        "versionType": "custom"
      },
      {
        "lessThan": "R32 P6",
        "status": "affected",
        "version": "R32",
        "versionType": "custom"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "modules": [
      "ngx_http_scgi_module and ngx_http_uwsgi_module"
    ],
    "product": "NGINX Open Source",
    "vendor": "F5",
    "versions": [
      {
        "lessThan": "*",
        "status": "unaffected",
        "version": "1.31.0",
        "versionType": "semver"
      },
      {
        "lessThan": "1.30.1",
        "status": "affected",
        "version": "0.8.42",
        "versionType": "semver"
      }
    ]
  }
]

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18 Jun 2026 14:12Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.16.5 - 7.4
CVSS 48.3
EPSS0.00932
SSVC
42