CVE-2026-4828 | BDVDB-2026-324082 Detail

DevolutionsServer

Description#

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact none. Attack vector: network.

Weaknesses#

CWE-1390

References#

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

Exploit#

No public exploit known

History#

Version 12026-04-01Record published in the CVE List.

Published

Published: 2026-04-01
Last modified: 2026-04-01

Vendor information

Vendor: Devolutions
Product: Server

All Devolutions vulnerabilities

Score

8.2 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 18.4.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
<= 2026.1.11
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

8.2 High

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N

Metric breakdown
Attack Vector	Network
Attack Complexity	High
Privileges Required	Low
User Interaction	None
Scope	Changed
Confidentiality	High
Integrity	High
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).