# CVE-2026-71898: Apache DolphinScheduler authorization check bypass

Source: https://junglewise.ai/threats/cve-2026-71898-an-incorrect-authorization-check-in-apache-dolphinscheduler  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-29. Updated: 2026-09-29  
License: CC BY 4.0 with a link back

CVE-2026-71898 · Severity: medium · CVSS 4.3 · Published 2026-09-29

Apache DolphinScheduler is a workflow scheduling platform used to manage and execute data pipeline jobs. An authenticated user with read-only access to a project can bypass authorization controls to modify workflow instances they should not be able to edit, potentially disrupting critical data processing tasks or altering job logic without permission.

Technologies: [Apache DolphinScheduler](https://junglewise.ai/threats/technologies/apache-dolphinscheduler-1). Vendors: [Apache](https://junglewise.ai/threats/vendors/apache).

## Quick answers

**Is CVE-2026-71898 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-71898 being exploited in the wild.

**How severe is CVE-2026-71898?** Medium severity, with a CVSS score of 4.3, published 29 September 2026.

**Which products and versions are affected?** Apache DolphinScheduler before 3.4.3.

**Is there a fix for CVE-2026-71898?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-71898 attacked?** It is attacked over the network, in a hosted service.

**Am I affected by CVE-2026-71898?** Check whether you run Apache DolphinScheduler at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

An incorrect authorization check in the PUT /projects/{projectCode}/workflow-instances/{id} endpoint fails to enforce write permission requirements, allowing any authenticated user with read access to modify workflow instances. The vulnerability requires prior authentication and network access to the API endpoint. A fix is available in version 3.4.3 and later.

## Affected products

- Apache DolphinScheduler before 3.4.3

## Timeline

- 2026-09-29: disclosed

## References

- [https://repo.maven.apache.org/maven2](https://repo.maven.apache.org/maven2)
- [https://lists.apache.org/thread/lt35p8xc1w7ovgq68g4zz1c8vnk5ow6o](https://lists.apache.org/thread/lt35p8xc1w7ovgq68g4zz1c8vnk5ow6o)

## Related threats

- [Apache DolphinScheduler improper authorization in sub-workflow tasks](https://junglewise.ai/threats/cve-2026-81569-an-improper-authorization-vulnerability-exists-in-the-handling-of)
- [Apache DolphinScheduler authentication bypass in Actuator endpoints](https://junglewise.ai/threats/cve-2026-78214-an-authentication-bypass-vulnerability-exists-in-the-protection)
- [Apache DolphinScheduler authorization bypass in query-dynamic-sub-workflows API](https://junglewise.ai/threats/cve-2026-71899-a-missing-authorization-vulnerability-exists-in-the-query-dynamic)
- [Apache DolphinScheduler improper authorization check in batch endpoints](https://junglewise.ai/threats/cve-2026-71897-an-improper-authorization-check-in-apache-dolphinscheduler-allows)
- [Apache DolphinScheduler shell injection in Alert Script plugin](https://junglewise.ai/threats/cve-2026-82804-the-scriptpath-parameter-is-incorporated-into-a-bin-sh-c-command)