What is CVE-2026-3638?

CVE-2026-3638 is a medium-severity vulnerability in Devolutions Server, classified under Missing Authorization. CVSS score: 5.9/10. Published 2026-03-09.

How severe is CVE-2026-3638?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Auth bypass in Devolutions Server

CVE-2026-3638

Improper access control in user and role restore API endpoints in Devolutions Server 2025.3.11.0 and earlier allows a low-privileged authenticated user to restore deleted users and roles via crafted API requests.

Vulnerability class: Broken Access Control

EPSS: 0.002 (7.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:N.

Affected products

Devolutions Devolutions_server
Devolutions Server — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

security@devolutions.net (Vendor Advisory)

Frequently asked questions

What is CVE-2026-3638?: CVE-2026-3638 is a medium-severity vulnerability in Devolutions Server, classified under Missing Authorization. CVSS score: 5.9/10. Published 2026-03-09.
How severe is CVE-2026-3638?: Medium severity. CVSS v3 base score is 5.9 out of 10.