CVE-2026-4829

| EUVD-2026-17921 MEDIUM
2026-04-01 DEVOLUTIONS
5.4
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

3
Analysis Generated
Apr 01, 2026 - 15:30 vuln.today
EUVD ID Assigned
Apr 01, 2026 - 15:30 euvd
EUVD-2026-17921
CVE Published
Apr 01, 2026 - 14:44 nvd
MEDIUM 5.4

Tags

Authentication Bypass

Description

Improper authentication in the external OAuth authentication flow in Devolutions Server 2026.1.11 and earlier allows an authenticated user to authenticate as other users, including administrators, via reuse of a session code from an external authentication flow.

Analysis

Improper session code validation in Devolutions Server 2026.1.11 and earlier allows authenticated users to escalate privileges and impersonate other users, including administrators, by reusing session codes from external OAuth authentication flows. This authentication bypass affects all versions up to and including 2026.1.11 and requires an attacker to have valid credentials to exploit the vulnerability. …

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Priority Score

27
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +27
POC: 0

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CVE-2026-4829 vulnerability details – vuln.today
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