Missing authorization checks on multiple gRPC service endpoints in PowerShell Universal before 2026.1.4 allows an authenticated user with any valid token to bypass role-based access controls and perform privileged operations — including reading sensitive data, creating or deleting resources, and disrupting service operations — via crafted gRPC requests.

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History

Tue, 17 Mar 2026 20:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 17 Mar 2026 19:30:00 +0000

Type Values Removed Values Added
Description Missing authorization checks on multiple gRPC service endpoints in PowerShell Universal before 2026.1.4 allows an authenticated user with any valid token to bypass role-based access controls and perform privileged operations — including reading sensitive data, creating or deleting resources, and disrupting service operations — via crafted gRPC requests.
Weaknesses CWE-862
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: DEVOLUTIONS

Published:

Updated: 2026-03-17T20:03:19.106Z

Reserved: 2026-03-12T17:37:00.624Z

Link: CVE-2026-4064

cve-icon Vulnrichment

Updated: 2026-03-17T20:03:12.507Z

cve-icon NVD

Status : Received

Published: 2026-03-17T20:16:14.717

Modified: 2026-03-17T21:16:20.323

Link: CVE-2026-4064

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses