CVE-2026-38587

An Insecure Direct Object Reference (IDOR) vulnerability was discovered in ONLYOFFICE DocSpace before 3.2.1. The flaw exists in multiple REST API endpoints. This allows authenticated users with low-level permissions (User or Guest) to retrieve sensitive information, such as the Owner's unique identifier (ID) and profile information, which should only be accessible to administrators.

• CWE-639

• https://github.com/ONLYOFFICE/DocSpace/blob/master/CHANGELOG.md#security

Published

May 26, 2026

Last Modified

Jul 24, 2026

Status

Deferred

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