CVE-2026-71896 Apache DolphinScheduler: Missing Authorization Checks Allow Unauthorized Disclosure of User Account Information
Authenticated users can access other users' account information via an unprotected endpoint, leading to sensitive data disclosure and account enumeration.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-71896?
CVE-2026-71896 is a medium-severity missing authorization vulnerability in Apache DolphinScheduler, published on 8 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An authorization vulnerability in Apache DolphinScheduler allows authenticated users to retrieve other users' account information through the /dolphinscheduler/users/list-all endpoint without the required permissions.
The endpoint fails to enforce the necessary authorization checks before returning user account information. As a result, an authenticated user can access account information they are not authorized to view.
Successful exploitation may expose sensitive user information and facilitate account enumeration.
This issue affects Apache DolphinScheduler: before 3.4.3.
Users are recommended to upgrade to version 3.4.3, which fixes the issue.
Weakness: CWE-863
Which versions are affected by CVE-2026-71896?
How do I fix CVE-2026-71896?
No fix has been published for CVE-2026-71896 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-71896 being exploited?
There is no known exploitation of CVE-2026-71896 in the wild and no public exploit code.
Sources
Also known as GHSA-q59v-7f6x-gwrc.