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.
References (1)
Core 1
Core References
Scores
CVSS v3
8.3
EPSS
0.0032
EPSS Percentile
24.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-862
Status
published
Products (2)
Devolutions/PowerShell Universal
2026.1.0 - 2026.1.4
ironmansoftware/powershell_universal
< 2026.1.4
Published
Mar 17, 2026
Tracked Since
Mar 18, 2026