CVE-2026-5146: Devolutions Server

Medium severity, CVSS 4.3. EPSS: 0.3% chance of exploitation in the next 30 days.

Improper access control in the notification management endpoints in Devolutions Server allows an unauthenticated attacker to modify or delete arbitrary user notification records via missing session validation. This issue affects the following versions : * Devolutions Server 2026.1.6.0 through 2026.1.15.0 * Devolutions Server 2025.3.19.0 and earlier

Affected products

• Devolutions Devolutions Server: before 2025.3.20.0 (fixed in 2025.3.20.0); from 2026.1.6.0, before 2026.1.16.0 (fixed in 2026.1.16.0)

Published 2026-05-12. Last modified 2026-06-17.