{"id":"CVE-2026-81569","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-81569","generatedAt":"2026-10-28T03:31:41.270Z","title":"An improper authorization vulnerability exists in the handling of sub-workflow tasks.","description":"An improper authorization vulnerability exists in the handling of sub-workflow tasks. An authenticated user who does not have permission to access a target project can reference and invoke a workflow belonging to that project through a sub-workflow task.\n\n\n\nThe system does not properly verify whether the user has permission to execute the referenced workflow or access its project. As a result, the user can bypass project-level authorization controls and cause workflows in unauthorized projects to be executed.\n\n\n\nSuccessful exploitation may allow unauthorized execution of workflow tasks and access to the resources or data available to the target workflow.\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":"2026-09-29T14:17:22.000Z","lastModified":"2026-09-29T16:17:12.000Z","status":"Deferred","sourceIdentifier":"security@apache.org","cvss":{"version":"3.1","score":4.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"},"cwe":["CWE-285"],"affected":[],"epss":{"score":0.00234,"percentile":0.14146,"date":"2026-10-26","history":[{"date":"2026-09-30","score":0.00234,"percentile":0.12906}]},"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 (0.23%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"scored","label":"Newly scored","at":"2026-09-29T18:00:10.000Z","detail":{"from":null,"score":"4.3","severity":"MEDIUM","fromSeverity":null},"summary":"Now scored CVSS 4.3 MEDIUM."},{"kind":"new","label":"New CVE","at":"2026-09-29T14:17:22.000Z","detail":{"score":null,"severity":null,"publishedAt":"2026-09-29T14:17:21.650Z"},"summary":"New CVE, medium severity (CVSS 4.3)."}],"references":[{"url":"https://lists.apache.org/thread.html/2dlzoz0vd5onovxxmylmgb2lvrsj0ot6","source":"security@apache.org"},{"url":"http://www.openwall.com/lists/oss-security/2026/09/29/24","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-81569","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."}