{"schemaVersion":3,"id":"CVE-2026-66087","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"An authorization bypass vulnerability in Apache DolphinScheduler allows authenticated users to operate task instance in projects they are not authorized to access through the\n\n\n\n\n\n  *  /dolphinscheduler/projects/{projectCode}/task-instances/{taskInstanceId}/stop\n  *  /dolphinscheduler/projects/{projectCode}/task-instances/{taskInstanceId}/savepoint\n\n\n\n\n\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.","dates":{"published":"2026-10-08T08:29:43.553Z","modified":"2026-10-08T20:21:27.148Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":8.1,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":8.1,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":8.1,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00276,"percentile":0.18744,"severity":"low","asOf":"2026-10-18T00:00:00.000Z","change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[{"date":"2026-10-08T00:00:00.000Z","score":0.00164,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00276,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00276,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00276,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00276,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00276,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00276,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00276,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00276,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00276,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00276,"percentile":0.18744}],"last30":[{"date":"2026-10-08T00:00:00.000Z","score":0.00164,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00276,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00276,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00276,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00276,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00276,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00276,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00276,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00276,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00276,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00276,"percentile":0.18744}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-863","name":"Incorrect Authorization","description":"The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.","type":"weakness","status":"Incomplete","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/863.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"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://lists.apache.org/thread.html/pghhb42sbyv5dhx6clcj4hllxnh7c0dn","label":"lists.apache.org/thread.html/pghhb42sbyv5dhx6clcj4hllxnh7c0dn","hostname":"lists.apache.org","tags":["Vendor Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2026/10/08/3","label":"www.openwall.com/lists/oss-security/2026/10/08/3","hostname":"www.openwall.com","tags":[]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-10-08T08:29:43.553Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-10-08T20:21:27.148Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":32,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T09:36:21.790Z","stale":false,"partial":false}}