What is CVE-2026-4829?

CVE-2026-4829 is a medium-severity vulnerability in Devolutions Server, classified under Improper Authentication. CVSS score: 5.4/10. Published 2026-04-01.

How severe is CVE-2026-4829?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Auth bypass in Devolutions Server

CVE-2026-4829

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.

Vulnerability class: Broken Authentication

EPSS: 0.002 (6.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

Affected products

Devolutions Devolutions_server
Devolutions Server — versions 0

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

security@devolutions.net (Vendor Advisory)

Frequently asked questions

What is CVE-2026-4829?: CVE-2026-4829 is a medium-severity vulnerability in Devolutions Server, classified under Improper Authentication. CVSS score: 5.4/10. Published 2026-04-01.
How severe is CVE-2026-4829?: Medium severity. CVSS v3 base score is 5.4 out of 10.