CVE-2026-5430 Authentication Bypass via JWT Algorithm Mismatch in Multiple WSO2 Products Allows Account Takeover

[
  {
    "vendor": "WSO2",
    "product": "WSO2 Universal Gateway",
    "versions": [
      {
        "status": "affected",
        "version": "4.5.0",
        "lessThan": "4.5.0.57",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "4.6.0",
        "lessThan": "4.6.0.21",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "WSO2",
    "product": "WSO2 Traffic Manager",
    "versions": [
      {
        "status": "affected",
        "version": "4.5.0",
        "lessThan": "4.5.0.56",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "4.6.0",
        "lessThan": "4.6.0.21",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "WSO2",
    "product": "WSO2 API Control Plane",
    "versions": [
      {
        "status": "affected",
        "version": "4.5.0",
        "lessThan": "4.5.0.58",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "4.6.0",
        "lessThan": "4.6.0.22",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "WSO2",
    "product": "WSO2 API Manager",
    "versions": [
      {
        "status": "unknown",
        "version": "0",
        "lessThan": "4.1.0",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "4.1.0",
        "lessThan": "4.1.0.257",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "4.2.0",
        "lessThan": "4.2.0.197",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "4.3.0",
        "lessThan": "4.3.0.108",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "4.4.0",
        "lessThan": "4.4.0.72",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "4.5.0",
        "lessThan": "4.5.0.57",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "4.6.0",
        "lessThan": "4.6.0.21",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "WSO2",
    "product": "WSO2 Carbon API Manager Rest API Utility",
    "packageName": "org.wso2.carbon.apimgt:org.wso2.carbon.apimgt.rest.api.util",
    "versions": [
      {
        "status": "affected",
        "version": "9.20.74",
        "lessThan": "9.20.74.401",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "9.28.116",
        "lessThan": "9.28.116.417",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "9.29.120",
        "lessThan": "9.29.120.236",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "9.30.67",
        "lessThan": "9.30.67.167",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "9.31.86",
        "lessThan": "9.31.86.158",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "9.32.147",
        "lessThan": "9.32.147.59",
        "versionType": "custom"
      },
      {
        "status": "unaffected",
        "version": "9.33.106",
        "lessThanOrEqual": "*",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  }
]