What is CVE-2026-5146?

CVE-2026-5146 is a medium-severity vulnerability in Devolutions Devolutions_server, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-05-12.

How severe is CVE-2026-5146?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Devolutions Devolutions_server

CVE-2026-5146

Improper access control in the notification management endpoints in Devolutions Server allows an unauthenticated attacker to modify or delete arbitrary user notification records via missing session validation. This issue affects the fol…

Vulnerability class: Broken Access Control

EPSS: 0.000 (8.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Devolutions Devolutions_server
Devolutions Server — versions 2026.1.6.0, 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

security@devolutions.net (Vendor Advisory)

Frequently asked questions

What is CVE-2026-5146?: CVE-2026-5146 is a medium-severity vulnerability in Devolutions Devolutions_server, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-05-12.
How severe is CVE-2026-5146?: Medium severity. CVSS v3 base score is 4.3 out of 10.