SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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 to obtain the…

MEDIUM 6.5EPSS 0.16%

Does this matter?

Lower severity and a low EPSS score (0.16%). Track it; it rarely justifies an emergency change on its own.

Description

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 to obtain the OIDC client credentials

CVSS 3.1
6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS
0.16% probability · 6th percentile
CISA KEV
Not listed
Weakness
CWE-312
Affected
ironmansoftware/powershell universal
Source
security@devolutions.net

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.