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MEDIUM · 6.5

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...

Vulnerability 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 Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
IronmansoftwarePowershell Universal< 2026.1.3

Related Weaknesses (CWE)

CWE-312

References

FAQ

What is CVE-2026-3277?

CVE-2026-3277 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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...

How severe is CVE-2026-3277?

CVE-2026-3277 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-3277?

Check the references section above for vendor advisories and patch information. Affected products include: Ironmansoftware Powershell Universal.