{"schemaVersion":3,"id":"CVE-2026-66083","aliases":[],"status":"published","duplicateOf":null,"title":null,"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 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Authentication for Critical Function","description":"The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/306.html"}],"affected":[{"vendor":"apache software foundation","product":"apache dolphinscheduler","name":"Apache DolphinScheduler","label":"apache dolphinscheduler","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 3.4.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.4.3","eol":null,"hubHref":"/vendor/apache_software_foundation/apache_dolphinscheduler"},{"vendor":"apache","product":"dolphinscheduler","name":"dolphinscheduler","label":"dolphinscheduler","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 3.4.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.4.3","eol":null,"hubHref":"/vendor/apache/dolphinscheduler"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://lists.apache.org/thread/b6brfom0jmy9kdt40qrn6dq0x4v2wxdr","label":"lists.apache.org/thread/b6brfom0jmy9kdt40qrn6dq0x4v2wxdr","hostname":"lists.apache.org","tags":["Vendor Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2026/09/29/19","label":"www.openwall.com/lists/oss-security/2026/09/29/19","hostname":"www.openwall.com","tags":["Mailing List","Third Party Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-09-29T11:46:40.533Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-09-29T20:16:17.508Z","label":"Last modified","detail":"Vulnerability information 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