CVE-2026-4828: Improper authentication in the OAuth login functionality in Devolutions Server 2026.1.11 and earlier allows a remote…

CVE-2026-4828 · Severity: high · CVSS 8.2 · Published 2026-04-01

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.

Technologies: Devolutions Server. Vendors: Devolutions.

Quick answers

Is CVE-2026-4828 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-4828 being exploited in the wild.
How severe is CVE-2026-4828?
High severity, with a CVSS score of 8.2, published 1 April 2026.
Which products and versions are affected?
Devolutions Server. The advisory does not name versions.
Is there a fix for CVE-2026-4828?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2026-4828?
Check whether you run Devolutions Server. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Devolutions Server

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.