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