CVE-2026-4064

EUVD-2026-12637
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
DEVOLUTIONSCNA
8.3 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: 25%
Affected Products (NVD)
VendorProductVersion
ironmansoftwarepowershell_universal
𝑥
< 2026.1.4
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
devolutionspowershell_universal
2026.1.0 ≤
𝑥
< 2026.1.4
CNA
Common Weakness Enumeration
References
https://devolutions.net/security/advisories/DEVO-2026-0008