Home/CVE/Improper authentication in the OAuth login functionality in Devolutions Server 2026.1.11 and earlier allows a remote att
CVE

CVE-2026-4828

Improper authentication in the OAuth login functionality in Devolutions Server 2026.1.11 and earlier allows a remote att

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.

HIGH · CVSS 8.2 EPSS 0.00051
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-1390Weak Authentication
▤

Affected Products & Versions

2
devolutions server< 2025.3.18.0
devolutions server>= 2026.1.1.0 and < 2026.1.12.0
▣

Scoring & Timeline

8.2
HIGH · CVSS v3.1 · security@devolutions.net
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD01 Apr 2026 · 04:23 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://devolutions.net/security/advisories/DEVO-2026-0010Vendor Advisory
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