CVE-2026-85389 Worklenz before 3.0.0 Authorization Bypass on Task-Scoped Endpoints
Authenticated users can access other organizations' task data by querying task endpoints with arbitrary UUIDs due to missing ownership verification.
- 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-2026-85389?
CVE-2026-85389 is a high-severity missing authorization vulnerability in worklenz, published on 3 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Worklenz before 3.0.0 fails to verify task ownership by organization when resolving task-scoped API endpoints, allowing authenticated users to access another tenant's task data. Attackers can query task endpoints with arbitrary task UUIDs to retrieve work logs, comments, attachments, and project insights belonging to other organizations.
Weakness: CWE-639
Which versions are affected by CVE-2026-85389?
How do I fix CVE-2026-85389?
No fix has been published for CVE-2026-85389 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-2026-85389 being exploited?
There is no known exploitation of CVE-2026-85389 in the wild and no public exploit code.
Sources
Also known as GHSA-3hvp-rq7g-qf5w.