What is CVE-2026-3224?

CVE-2026-3224 is a critical-severity vulnerability in Devolutions Devolutions_server, classified under Improper Authentication. CVSS score: 9.8/10. Published 2026-03-03.

How severe is CVE-2026-3224?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Devolutions Devolutions_server

CVE-2026-3224

Authentication bypass in the Microsoft Entra ID (Azure AD) authentication mode in Devolutions Server 2025.3.15.0 and earlier allows an unauthenticated user to authenticate as an arbitrary Entra ID user via a forged JSON Web Token (JWT).

Vulnerability class: Broken Authentication

EPSS: 0.005 (40.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Devolutions Devolutions_server
Devolutions Server — versions 0

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

security@devolutions.net (Vendor Advisory)

Frequently asked questions

What is CVE-2026-3224?: CVE-2026-3224 is a critical-severity vulnerability in Devolutions Devolutions_server, classified under Improper Authentication. CVSS score: 9.8/10. Published 2026-03-03.
How severe is CVE-2026-3224?: Critical severity. CVSS v3 base score is 9.8 out of 10.