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
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
None
No data modification
Availability
None
No disruption
CVSS Vector v3.1
Weakness Type (CWE)
Vulnerable Products 1
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Ironmansoftware Powershell_Universal
cpe:2.3:a:ironmansoftware:powershell_universal:*:*:*:*:*:*:*:*
|
— |
2026.1.3
|