CVE-2026-4052

{
  "id": "CVE-2026-4052",
  "sourceIdentifier": "ed10eef1-636d-4fbe-9993-6890dfa878f8",
  "published": "2026-11-03T08:17:15.530",
  "lastModified": "2026-11-03T08:17:15.530",
  "vulnStatus": "Received",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "This issue only impacts deployments where WSO2 Identity Server is configured as a Resident Key Manager with database sharing. In such environments, a self-registered user may gain access to the System REST APIs of WSO2 API Manager by obtaining a token from the WSO2 Identity Server token endpoint."
    }
  ],
  "affected": [
    {
      "source": "ed10eef1-636d-4fbe-9993-6890dfa878f8",
      "affectedData": [
        {
          "vendor": "WSO2",
          "product": "WSO2 API Manager",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "4.1.0",
              "versionType": "custom",
              "status": "affected"
            },
            {
              "version": "4.2.0",
              "versionType": "custom",
              "status": "affected"
            },
            {
              "version": "4.3.0",
              "versionType": "custom",
              "status": "affected"
            },
            {
              "version": "4.4.0",
              "versionType": "custom",
              "status": "affected"
            },
            {
              "version": "4.5.0",
              "versionType": "custom",
              "status": "affected"
            },
            {
              "version": "4.6.0",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "WSO2",
          "product": "WSO2 API Control Plane",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "4.5.0",
              "versionType": "custom",
              "status": "affected"
            },
            {
              "version": "4.6.0",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "WSO2",
          "product": "WSO2 Identity Server Key Manager Connector (apim-km-wso2is)",
          "defaultStatus": "unaffected",
          "packageName": "org.wso2.km.ext.wso2is:wso2is.key.manager.core",
          "versions": [
            {
              "version": "0",
              "lessThan": "1.8.8",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "ed10eef1-636d-4fbe-9993-6890dfa878f8",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9
      }
    ]
  },
  "weaknesses": [
    {
      "source": "ed10eef1-636d-4fbe-9993-6890dfa878f8",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2026-5212/",
      "source": "ed10eef1-636d-4fbe-9993-6890dfa878f8"
    }
  ]
}