Improper Authentication Vulnerability in Devolutions Server by Devolutions
CVE-2026-4828

8.2HIGH

Key Information:

Vendor

Devolutions

Status
Server
Vendor
CVE Published:
1 April 2026

What is CVE-2026-4828?

The OAuth login mechanism in Devolutions Server versions prior to 2026.1.11 is susceptible to an improper authentication vulnerability. This flaw allows a remote attacker, armed with valid credentials, to bypass multi-factor authentication protocols by sending a specially crafted login request.

Affected Version(s)

Server 0 <= 2026.1.11

References

https://devolutions.net/security/advisories/DEVO-2026-0010

CVSS V3.1

Score:
8.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.