Vulnerability DatabaseCVE-2026-85389
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CVE-2026-85389
Published:September 03, 2026
Updated:September 14, 2026
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.
Affected Packages
https://github.com/Worklenz/worklenz.git (GITHUB):
Affected version(s) >=v1.0.0 <v3.0.0
Fix Suggestion:
Update to version v3.0.0
Related Resources (8)
https://github.com/Worklenz/worklenz/releases/tag/v3.0.0
https://www.vulncheck.com/advisories/worklenz-before-3.0.0-authorization-bypass-on-task-scoped-endpoints
https://nvd.nist.gov/vuln/detail/CVE-2026-85389
https://github.com/Worklenz/worklenz
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/85xxx/CVE-2026-85389.json
https://github.com/Worklenz/worklenz/commit/f088ad0e36a23bb52857b46b3d4ce2533daeb65f
https://github.com/Worklenz/worklenz/issues/396
https://github.com/Worklenz/worklenz/blob/v3.0.0/worklenz-backend/src/middlewares/verify-task-access.ts
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CVSS v4
Base Score:
7.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Authorization Bypass Through User-Controlled Key
CWE-639
EPSS
Base Score:
0.26