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CVE-2026-1642

🗓️ 04 Feb 2026 15:02:06Reported by f5Type 
cve
 cve
🔗 web.nvd.nist.gov📰️ 2 Media mentions👁 685 Views

CVE-2026-1642: NGINX OSS and Plus TLS upstream proxies may allow MITM to inject plain text.

Related
Detection
Affected
Refs
Social
NVD
Node
f5nginx_gateway_fabricRange1.2.01.6.2
OR
f5nginx_gateway_fabricRange2.0.02.4.1
OR
f5nginx_ingress_controllerRange3.4.03.7.2
OR
f5nginx_ingress_controllerRange4.0.04.0.1
OR
f5nginx_ingress_controllerRange5.0.05.3.3
OR
f5nginx_instance_managerRange2.15.12.21.0
OR
f5nginx_open_sourceRange1.3.01.28.2
OR
f5nginx_open_sourceRange1.29.01.29.5
OR
f5nginx_plusRanger33r35
OR
f5nginx_plusMatchr32-
OR
f5nginx_plusMatchr32p1
OR
f5nginx_plusMatchr32p2
OR
f5nginx_plusMatchr32p3
OR
f5nginx_plusMatchr33p1
OR
f5nginx_plusMatchr33p2
OR
f5nginx_plusMatchr33p3
OR
f5nginx_plusMatchr34p1
OR
f5nginx_plusMatchr34p2
OR
f5nginx_plusMatchr35-
OR
f5nginx_plusMatchr36-
OR
f5nginx_plusMatchr36p1
[
  {
    "defaultStatus": "unknown",
    "product": "NGINX Open Source",
    "vendor": "F5",
    "versions": [
      {
        "changes": [
          {
            "at": "1.28.2",
            "status": "unaffected"
          }
        ],
        "lessThan": "1.29.5",
        "status": "affected",
        "version": "1.3.0",
        "versionType": "semver"
      }
    ]
  },
  {
    "defaultStatus": "unknown",
    "product": "NGINX Plus",
    "vendor": "F5",
    "versions": [
      {
        "lessThan": "R36 P2",
        "status": "affected",
        "version": "R36",
        "versionType": "custom"
      },
      {
        "lessThan": "R35 P1",
        "status": "affected",
        "version": "R35",
        "versionType": "custom"
      },
      {
        "lessThan": "*",
        "status": "affected",
        "version": "R34",
        "versionType": "custom"
      },
      {
        "lessThan": "*",
        "status": "affected",
        "version": "R33",
        "versionType": "custom"
      },
      {
        "lessThan": "R32 P4",
        "status": "affected",
        "version": "R32",
        "versionType": "custom"
      }
    ]
  }
]

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17 Jun 2026 10:16Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.15.9
CVSS 48.2
EPSS0.00331
SSVC
685