{
  "id": "CVE-2026-4052",
  "url": "https://spydr.io/cve/CVE-2026-4052",
  "published": "2026-11-03T08:17:15.530Z",
  "modified": "2026-11-03T16:16:57.587Z",
  "score": 9.8,
  "severity": "critical",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "score_source": "CNA",
  "epss": 0.0036,
  "epss_percentile": 0.29885,
  "exploited": false,
  "kev": null,
  "ssvc_exploitation": null,
  "vendors": [
    "WSO2"
  ],
  "products": [
    "WSO2 API Manager",
    "WSO2 API Control Plane",
    "WSO2 Identity Server Key Manager Connector (apim-km-wso2is)"
  ],
  "cwes": [
    "CWE-862"
  ],
  "description": "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.",
  "status": "Awaiting Analysis",
  "score_type": "Secondary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 9.8,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2026-5212/",
      "tags": []
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2026-4052",
  "covered_in": [],
  "attribution": [
    {
      "source": "NVD",
      "url": "https://nvd.nist.gov",
      "notice": "This product uses data from the NVD API but is not endorsed or certified by the NVD."
    },
    {
      "source": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "notice": "Known exploited vulnerabilities from the CISA KEV catalog."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss",
      "notice": "Exploit prediction scores from FIRST EPSS."
    }
  ]
}
