SB2026082573 - Multiple vulnerabilities in Apache DolphinScheduler



SB2026082573 - Multiple vulnerabilities in Apache DolphinScheduler

Published: August 25, 2026

Security Bulletin ID SB2026082573
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 6
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 17% Low 83%
  • 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.