Powershell Universal
CVE-2026-3277
MEDIUM
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Lifecycle Timeline
2DescriptionCVE.org
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
AnalysisAI
authentication configuration in PowerShell Universal versions up to 2026.1.3 is affected by cleartext storage of sensitive information.
Technical ContextAI
This vulnerability (CWE-312: Cleartext Storage of Sensitive Information) affects authentication configuration in PowerShell Universal. 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
RemediationAI
Monitor vendor advisories for a patch.
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Same weakness CWE-312 – Cleartext Storage of Sensitive Information
View allSame technique Information Disclosure
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External POC / Exploit Code
Leaving vuln.today