CVE-2026-85389
Worklenz before 3.0.0 Authorization Bypass on Task-Scoped Endpoints
- State
- Published
- Severity
- 7.1 High
- Published
- Sep 3, 2026
- Updated
- Sep 14, 2026
- Reserved
- Sep 3, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.1 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 6.5 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N | VulnCheck |
Weaknesses
- CWE-639 Authorization Bypass Through User-Controlled Key
Affected Products
| Product | Versions |
|---|---|
worklenzWorklenz |
|
References
- GitHub Issue #396issue-tracking
- https://github.com/Worklenz/worklenzproduct
- https://github.com/Worklenz/worklenz/commit/f088ad0e36a23bb52857b46b3d4ce2533daeb65fpatch
- https://github.com/Worklenz/worklenz/blob/v3.0.0/worklenz-backend/src/middlewares/verify-task-access.tstechnical-description
- Worklenz v3.0.0 Release Notesrelease-notes
- VulnCheck Advisory: Worklenz before 3.0.0 Authorization Bypass on Task-Scoped Endpointsthird-party-advisory
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