CVE-2026-4828

Name: CVE-2026-4828
Creator: NVD / NIST
Published: 2026-04-01T16:23:51.43+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.2/10EPSS 0.26%

Last modified Jun 17, 2026

CVE-2026-4828 is a high-severity vulnerability rated 8.2/10 on the CVSS scale. 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.. EPSS estimates a 0.26% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.2/10

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

EPSS Probability

0.26%

17.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-1390

Affected Software

Vendor	Product	Versions
Devolutions	Devolutions Server	< 2025.3.18.0
Devolutions	Devolutions Server	>= 2026.1.1.0, < 2026.1.12.0

References

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

Timeline

Published: Apr 1, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-4828?

How severe is CVE-2026-4828?

CVE-2026-4828 has a CVSS score of 8.2/10 (HIGH severity). The EPSS model estimates a 0.26% probability of exploitation in the next 30 days.

How do I fix CVE-2026-4828?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-4828?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST