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 OIDC client credentials

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://devolutions.net/security/advisories/DEVO-2026-0006	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:ironmansoftware:powershell_universal:*:*:*:*:*:*:*:*

History

30 Mar 2026, 20:41

Type	Values Removed	Values Added
References	~~() https://devolutions.net/security/advisories/DEVO-2026-0006 -~~	() https://devolutions.net/security/advisories/DEVO-2026-0006 - Third Party Advisory
CPE		cpe:2.3:a:ironmansoftware:powershell_universal::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 6.5
First Time		Ironmansoftware Ironmansoftware powershell Universal

Information

Published : 2026-02-27 16:16

Updated : 2026-03-30 21:17

NVD link : CVE-2026-3277

Mitre link : CVE-2026-3277

CVE.ORG link : CVE-2026-3277

JSON object : View

Products Affected

ironmansoftware

powershell_universal

CWE

CWE-312

Cleartext Storage of Sensitive Information

{"id": "CVE-2026-3277", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 2.8}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2026-02-27T16:16:26.260", "references": [{"url": "https://devolutions.net/security/advisories/DEVO-2026-0006", "tags": ["Third Party Advisory"], "source": "security@devolutions.net"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "security@devolutions.net", "description": [{"lang": "en", "value": "CWE-312"}]}], "descriptions": [{"lang": "en", "value": "The OpenID Connect (OIDC) authentication configuration in PowerShell \nUniversal before 2026.1.3 stores the OIDC client secret in cleartext in \nthe .universal/authentication.ps1 script, which allows an attacker with read access to that file to obtain the OIDC client credentials"}, {"lang": "es", "value": "La configuraci\u00f3n de autenticaci\u00f3n de OpenID Connect (OIDC) en PowerShell Universal anterior a 2026.1.3 almacena el secreto de cliente de OIDC en texto claro en el script .universal/authentication.ps1, lo que permite a un atacante con acceso de lectura a ese archivo obtener las credenciales de cliente de OIDC."}], "lastModified": "2026-03-30T21:17:10.657", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:ironmansoftware:powershell_universal:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DDCF2FFB-2420-4494-9270-DAE5093BEC2B", "versionEndExcluding": "2026.1.3"}], "operator": "OR"}]}], "sourceIdentifier": "security@devolutions.net"}