Improper access control in the users MFA feature in Devolutions Server allows an authenticated user to bypass administrator-enforced restrictions and remove their own multi-factor authentication (MFA) configuration via a crafted request. This issue affects Server: from 2026.1.6 through 2026.1.11.
devolutions_server
Vendor: devolutions
Security Vulnerability Index
Page 3 / 15Improper authentication in the two-factor authentication (2FA) feature in Devolutions Server 2026.1.11 and earlier allows a remote attacker with valid credentials to bypass multifactor authentication and gain unauthorized access to the victim account via reuse of a partially authenticated session token.
Improper authentication in the external OAuth authentication flow in Devolutions Server 2026.1.11 and earlier allows an authenticated user to authenticate as other users, including administrators, via reuse of a session code from an external authentication flow.
Improper authentication in the OAuth login functionality in Devolutions Server 2026.1.11 and earlier allows a remote attacker with valid credentials to bypass multi-factor authentication via a crafted login request.
Improper certificate validation in the PAM propagation WinRM connections allows a network attacker to perform a man-in-the-middle attack via disabled TLS certificate verification.
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.
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).
Improper input validation in the error message page in Devolutions Server 2025.3.16 and earlier allows remote attackers to spoof the displayed error message via a specially crafted URL.
Improper Enforcement of Behavioral Controls inĀ Devolutions Server 2025.3.15 and earlier allows an authenticated attacker with the delete permission to delete a PAM account that is currently checked out by selecting it alongside at least one non-checked-out account and performing a bulk deletion.
Sensitive user account information is not encrypted in the database in Devolutions Server 2025.3.14 and earlier, which allows an attacker with access to the database to obtain sensitive user information via direct database access.