{"id":"CVE-2026-4052","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-4052","generatedAt":"2026-11-04T11:49:41.410Z","title":"This issue only impacts deployments where WSO2 Identity Server is configured as a Resident Key Manager with database sharing.","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.","published":"2026-11-03T08:17:16.000Z","lastModified":"2026-11-03T20:18:14.000Z","status":"Awaiting Analysis","sourceIdentifier":"ed10eef1-636d-4fbe-9993-6890dfa878f8","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-862"],"affected":[],"epss":{"score":0.0036,"percentile":0.29885,"date":"2026-11-03","history":[{"date":"2026-11-03","score":0.0036,"percentile":0.29885}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.36%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-11-03T08:17:16.000Z","detail":{"score":"9.8","severity":"CRITICAL","publishedAt":"2026-11-03T08:17:15.530Z"},"summary":"New CVE, critical severity (CVSS 9.8)."}],"references":[{"url":"https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2026-5212/","source":"ed10eef1-636d-4fbe-9993-6890dfa878f8"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-4052","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}