What’s Vulnerable › Vulnerabilities
CVE-2026-3277
- Severity: medium (CVSS 6.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-02-27 · updated 2026-06-17
- Weakness: CWE-312
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
Affected products
- Ironmansoftware Powershell Universal: before 2026.1.3 — fixed in 2026.1.3
How to fix
Upgrade to a fixed version: Ironmansoftware Powershell Universal 2026.1.3. Check the vendor advisory for mitigations.
References
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