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CVE-2026-4064

Quick assessment

Affected
Devolutions PowerShell Universal
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Devolutions PowerShell Universal是加拿大Devolutions公司的一个综合性PowerShell平台。 Devolutions PowerShell Universal 2026.1.4之前版本存在安全漏洞，该漏洞源于多个gRPC服务端点缺少授权检查，可能导致经过身份验证的用户绕过基于角色的访问控制并执行特权操作。

AI Predicted 8.6 Difficulty: Easy EPSS 0.39% · P32
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I. Basic Information for CVE-2026-4064

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Devolutions PowerShell Universal 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Devolutions PowerShell Universal是加拿大Devolutions公司的一个综合性PowerShell平台。 Devolutions PowerShell Universal 2026.1.4之前版本存在安全漏洞，该漏洞源于多个gRPC服务端点缺少授权检查，可能导致经过身份验证的用户绕过基于角色的访问控制并执行特权操作。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Devolutions PowerShell Universal 2026.1.0 ~ 2026.1.4 -

II. Public POCs for CVE-2026-4064

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III. Intelligence Information for CVE-2026-4064

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Vendor Advisories for CVE-2026-4064 (1)

IV. Related Vulnerabilities

Same product: PowerShell Universal
Same vendor: Devolutions
Same weakness: CWE-862