SB2026082573 - Multiple vulnerabilities in Apache DolphinScheduler
Published: August 25, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 6 vulnerabilities.
1) Missing Authorization (CVE-ID: CVE-2026-32966)
CWE-ID: CWE-862 - Missing Authorization
CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote user to disclose sensitive information.
The vulnerability exists due to improper access control in DataSource API when handling requests for data source metadata. A remote user can send a crafted request to disclose sensitive information.
2) Incorrect authorization (CVE-ID: CVE-2026-32967)
CWE-ID: CWE-863 - Incorrect Authorization
CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote user to access functionality without proper authorization.
The vulnerability exists due to improper access control in the /v2 experimental interface when handling requests. A remote user can send crafted requests to access functionality without proper authorization.
3) Incorrect authorization (CVE-ID: CVE-2026-42357)
CWE-ID: CWE-863 - Incorrect Authorization
CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote user to disclose workflow instance information belonging to projects they do not have permission to access.
The vulnerability exists due to improper access control in the dolphinscheduler-api when handling requests for workflow instance information. A remote user can send a crafted request to disclose workflow instance information belonging to projects they do not have permission to access.
4) Improper access control (CVE-ID: CVE-2026-47340)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote user to access alert instances associated with alert groups they do not have permission to access.
The vulnerability exists due to improper access control in the dolphinscheduler-api alert instance access functionality when handling requests for alert instances. A remote user can send a request for alert instances associated with unauthorized alert groups to access alert instances associated with alert groups they do not have permission to access.
5) Improper access control (CVE-ID: CVE-2026-49050)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote user to escalate privileges.
The vulnerability exists due to improper access control in the /access-tokens endpoint when handling access token creation requests. A remote user can mint an admin access token to escalate privileges.
6) Incorrect authorization (CVE-ID: CVE-2026-41280)
CWE-ID: CWE-863 - Incorrect Authorization
CVSSv4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote user to delete task definitions in unauthorized projects.
The vulnerability exists due to improper access control in the task definition deletion functionality when handling deletion requests for task definitions. A remote user can send a deletion request targeting task definitions in unauthorized projects to delete task definitions in unauthorized projects.
Remediation
Install update from vendor's website.
References
- https://lists.apache.org/api/email.lua?id=b5q1ln370qoysx60f1o4ppj2m0dhsmj9
- https://lists.apache.org/api/email.lua?id=dkrcvv8817fq0x6c70m8tzdsx404tz51
- https://lists.apache.org/api/email.lua?id=mb61o45rjjvx4h34qcl2jqtyxrq0pzo0
- https://lists.apache.org/api/email.lua?id=9lcr2kj8p60h3kvyxqn9284s8ly699mh
- https://lists.apache.org/api/email.lua?id=ltfvolyddzflf9zgh0g989llzr71r1d4
- https://lists.apache.org/api/email.lua?id=9c5lmy4sv1t8t98732ng7xgown5o34zj