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CVE-2026-4434

Quick assessment

Affected
Devolutions Server
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 Server是加拿大Devolutions公司的一个应用系统。提供功能齐全的共享帐户和密码管理解决方案。 Devolutions Server存在安全漏洞，该漏洞源于证书验证不当，可能导致中间人攻击。

AI Predicted 8.8 Difficulty: Trivial EPSS 0.15% · P4
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I. Basic Information for CVE-2026-4434

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Improper certificate validation in the PAM propagation WinRM connections allows a network attacker to perform a man-in-the-middle attack via disabled TLS certificate verification.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
证书验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Devolutions Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Devolutions Server是加拿大Devolutions公司的一个应用系统。提供功能齐全的共享帐户和密码管理解决方案。 Devolutions Server存在安全漏洞，该漏洞源于证书验证不当，可能导致中间人攻击。
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 Server 0 ~ 2026.1 -

II. Public POCs for CVE-2026-4434

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-4434

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Vendor Advisories for CVE-2026-4434 (1)

IV. Related Vulnerabilities

Same product: Server
Same vendor: Devolutions
Same weakness: CWE-295