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CVE-2026-8694— Improper access control on the API documentation endpoint in PowerShell Universal

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公司的一个应用服务器组件。 Devolutions PowerShell Universal 2026.1.7及之前版本存在授权问题漏洞，该漏洞源于访问控制不当，可能导致未经身份验证的远程攻击者获取用户定义REST端点的OpenAPI规范。

AI Predicted 5.3 Difficulty: Trivial EPSS 0.37% · P30

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProduct Version RangeStatus
Devolutions PowerShell Universal ≤ 2026.1.7 affected
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I. Basic Information for CVE-2026-8694

Vulnerability Information
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Vulnerability Title
Improper access control on the API documentation endpoint in PowerShell Universal
Source: CVE Program / CVE List V5
Vulnerability Description
Improper access control in Devolutions PowerShell Universal 2026.1.7 and earlier allows an unauthenticated remote attacker to obtain the OpenAPI specification of user-defined REST endpoints.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Devolutions PowerShell Universal 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Devolutions PowerShell Universal是加拿大Devolutions公司的一个应用服务器组件。 Devolutions PowerShell Universal 2026.1.7及之前版本存在授权问题漏洞，该漏洞源于访问控制不当，可能导致未经身份验证的远程攻击者获取用户定义REST端点的OpenAPI规范。
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 0 ~ 2026.1.7 -

II. Public POCs for CVE-2026-8694

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-8694

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Vendor Advisories for CVE-2026-8694 (1)

IV. Related Vulnerabilities

Same product: PowerShell Universal
Same vendor: Devolutions
Same weakness: CWE-306