{"id":"CVE-2026-66083","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-66083","generatedAt":"2026-10-28T01:39:38.315Z","title":"This may expose data source configuration and other sensitive metadata, depending on the fields returned by the endpoint.","description":"The /datasources/unauth-datasource endpoint does not properly enforce data source authorization. An authenticated user can invoke this endpoint to obtain information about data sources they are not authorized to access. This may expose data source configuration and other sensitive metadata, depending on the fields returned by the endpoint.\n\n\n\nThis issue affects Apache DolphinScheduler: before 3.4.3.\n\n\n\nUsers are recommended to upgrade to version 3.4.3, which fixes the issue.","published":"2026-09-29T12:17:11.000Z","lastModified":"2026-10-06T14:37:36.000Z","status":"Analyzed","sourceIdentifier":"security@apache.org","cvss":{"version":"3.1","score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-306"],"affected":["apache/dolphinscheduler"],"epss":{"score":0.00305,"percentile":0.23083,"date":"2026-10-26","history":[{"date":"2026-09-30","score":0.00229,"percentile":0.12376}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.30%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"scored","label":"Newly scored","at":"2026-09-29T22:30:10.000Z","detail":{"from":null,"score":"6.5","severity":"MEDIUM","fromSeverity":null},"summary":"Now scored CVSS 6.5 MEDIUM."},{"kind":"new","label":"New CVE","at":"2026-09-29T12:17:11.000Z","detail":{"score":null,"severity":null,"publishedAt":"2026-09-29T12:17:10.967Z"},"summary":"New CVE, medium severity (CVSS 6.5)."}],"references":[{"url":"https://lists.apache.org/thread/b6brfom0jmy9kdt40qrn6dq0x4v2wxdr","tags":["Vendor Advisory"],"source":"security@apache.org"},{"url":"http://www.openwall.com/lists/oss-security/2026/09/29/19","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-66083","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."}