Vulnerability in Devolutions Powershell Universal

CVE-2026-3563

Improper input validation in the apps and endpoints configuration in PowerShell Universal before 2026.1.4 allows an authenticated user with permissions to create or modify Apps or Endpoints to override existing application or system routes, resulting in unintended request routing and denial of service via a conflicting URL path.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:L.

EPSS exploit prediction

EPSS: 0.004 (34.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 34.2% 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-2026-3563: held from 0.003 to 0.004.

EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-3563?
CVE-2026-3563 is a medium-severity vulnerability in Devolutions Powershell Universal, classified under CWE-1289. CVSS score: 5.5/10. Published 2026-03-17.
How severe is CVE-2026-3563?
Medium severity. CVSS v3 base score is 5.5 out of 10.