Auth bypass in Devolutions Server

CVE-2026-8407

Missing authorization in the PAM module in Devolutions Server allows an authenticated user with a PAM license but no additional permissions to obtain OTP secret keys and recovery codes via crafted requests to PAM API endpoints. This issue affects the following versions : * Devolutions Server 2026.1.6.0 through 2026.1.11.0 * Devolutions Server 2025.3.16.0 and earlier

Vulnerability class: Broken Access Control

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.003 (17.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 17.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-8407: held from 0.002 to 0.003.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-8407?
CVE-2026-8407 is a medium-severity vulnerability in Devolutions Server, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-05-12.
How severe is CVE-2026-8407?
Medium severity. CVSS v3 base score is 4.3 out of 10.