CVE-2026-38587

4.3 mediumEPSS 0.2%

Medium (4.3). EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

4.3 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 12% of CVEs (scores of 2026-10-31)
CWE: CWE-639
Published: 2026-05-26
Modified: 2026-07-24
Record from: the NVD, synced 2026-10-19

References

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

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