CVE-2026-4064

HIGH

8.3

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.

Details CVE

Score CVSS v3.18.3

SeveriteHIGH

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisLOW

Interaction utilisateurNONE

Publie3/17/2026

Derniere modification3/19/2026

Sourcenvd

Observations honeypot0

Produits affectes

ironmansoftware:powershell_universal

Faiblesses (CWE)

CWE-862

References

https://devolutions.net/security/advisories/DEVO-2026-0008(security@devolutions.net)

Correlations IOC

Aucune correlation enregistree

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