CVE-2026-4828: Devolutions Server

High severity, CVSS 8.2. EPSS: 0.4% chance of exploitation in the next 30 days.

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.

Affected products

• Devolutions Devolutions Server: before 2025.3.18.0 (fixed in 2025.3.18.0); from 2026.1.1.0, before 2026.1.12.0 (fixed in 2026.1.12.0)

Published 2026-04-01. Last modified 2026-06-17.