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CVE-2026-14916 Kong API Gateway Enterprise: JWT Algorithm-Confusion

🗓️ 16 Sep 2026 10:11:15Reported by KongType 
cvelist
 cvelist
🔗 www.cve.org👁 19 Views

A JWT signature verification vulnerability affects Kong components that perform JWT validation for MCP OAuth2 or DataKit integrations inside Kong API Gateway Enterprise. The affected code does not properly validate that the JWT signing algorithm i...

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Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-14916
16 Sep 202610:11
cve
euvd
EUVD
EUVD-2026-80389
16 Sep 202610:11
euvd
nvd
NVD
CVE-2026-14916
16 Sep 202611:16
nvd
vulnrichment
Vulnrichment
CVE-2026-14916 Kong API Gateway Enterprise: JWT Algorithm-Confusion
16 Sep 202610:11
vulnrichment
[
  {
    "vendor": "Kong",
    "product": "Kong Enteprise Gateway",
    "platforms": [
      "Linux"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "3.15.0.0",
        "lessThan": "3.15.0.3",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "3.14.0.0",
        "lessThan": "3.14.0.12",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "3.13.0.0",
        "lessThan": "3.13.0.9",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "3.12.0.0",
        "lessThan": "3.12.0.10",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "3.10.0.0",
        "lessThan": "3.10.0.17",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "3.4.0.0",
        "lessThan": "3.4.3.29",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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16 Sep 2026 10:11Current
CVSS 47.7
EPSS0.00668
19