What is CVE-2026-38587?

CVE-2026-38587 is a medium-severity vulnerability in N/a, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-05-26.

How severe is CVE-2026-38587?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in N/a

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 retr…

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.000 (0.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

N/a — versions n/a

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

cve@mitre.org

Frequently asked questions

What is CVE-2026-38587?: CVE-2026-38587 is a medium-severity vulnerability in N/a, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-05-26.
How severe is CVE-2026-38587?: Medium severity. CVSS v3 base score is 4.3 out of 10.