Vulnerability 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.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/Worklenz/worklenz
- https://github.com/Worklenz/worklenz/blob/v3.0.0/worklenz-backend/src/middleware
- https://github.com/Worklenz/worklenz/commit/f088ad0e36a23bb52857b46b3d4ce2533dae
- https://github.com/Worklenz/worklenz/issues/396
- https://github.com/Worklenz/worklenz/releases/tag/v3.0.0
- https://www.vulncheck.com/advisories/worklenz-before-3.0.0-authorization-bypass-
FAQ
What is CVE-2026-85389?
CVE-2026-85389 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 ta...
How severe is CVE-2026-85389?
CVE-2026-85389 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-85389?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.