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 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 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 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.
Exposure of sensitive information in the users MFA feature in Devolutions Server allows users with user management privileges to obtain other users OTP keys via an authenticated API request.
This issue affects Server: from 2026.1.6 through 2026.1.11.
Improper input validation in the gateway health check feature in Devolutions Server allows a low-privileged authenticated user to perform server-side request forgery (SSRF), potentially leading to information disclosure, via a crafted API request.
This issue affects Server: from 2026.1.1 through 2026.1.11, from 2025.3.1 through 2025.3.17.