Vulnerability in Devolutions Powershell Universal

CVE-2026-3277

The OpenID Connect (OIDC) authentication configuration in PowerShell Universal before 2026.1.3 stores the OIDC client secret in cleartext in the .universal/authentication.ps1 script, which allows an attacker with read access to that file…

EPSS: 0.002 (5.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-3277?
CVE-2026-3277 is a medium-severity vulnerability in Devolutions Powershell Universal, classified under Cleartext Storage of Sensitive Information. CVSS score: 6.5/10. Published 2026-02-27.
How severe is CVE-2026-3277?
Medium severity. CVSS v3 base score is 6.5 out of 10.