Authentication Bypass in Devolutions Server by Microsoft Entra ID
CVE-2026-3224

9.8CRITICAL

Key Information:

Vendor

Devolutions

Status
Server
Vendor
CVE Published:
3 March 2026

What is CVE-2026-3224?

An authentication bypass vulnerability exists in the Microsoft Entra ID authentication mode within Devolutions Server versions prior to 2025.3.15.0. This issue allows an unauthenticated user to impersonate any arbitrary Entra ID user by exploiting a forged JSON Web Token (JWT). Consequently, attackers can gain unauthorized access to sensitive functionalities of the server, leading to potential data exposure and security breaches.

Affected Version(s)

Server 0 <= 2025.3.15.0

References

https://devolutions.net/security/advisories/DEVO-2026-0005/

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.