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CVE-2026-84226

Quick assessment

Affected
OpenVPN OpenVPN
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.

OpenVPN是OpenVPN公司开源的一款虚拟专用网络软件。 OpenVPN 2.5.0至2.6.22版本和2.7_alpha1至2.7.6版本存在权限许可和访问控制问题漏洞，该漏洞源于网络配置步骤存在二进制植入问题，可能导致本地认证用户执行二进制植入攻击。

CVSS 8.5 · High EPSS 0.14% · P3

Possible ATT&CK Techniques 1 AI

T1563 · Remote Service Session Hijacking

Affected Version Matrix 2

VendorProduct Version RangeStatus
OpenVPN OpenVPN 2.5.0≤ 2.6.22 affected
2.7_alpha1≤ 2.7.6 affected
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I. Basic Information for CVE-2026-84226

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
OpenVPN version 2.5.0 through 2.6.22 and 2.7_alpha1 through 2.7.6 on Windows allows local authenticated users to perform a binary planting attack during network configuration steps
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
不可信的搜索路径
Source: CVE Program / CVE List V5
Vulnerability Title
OpenVPN 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenVPN是OpenVPN公司开源的一款虚拟专用网络软件。 OpenVPN 2.5.0至2.6.22版本和2.7_alpha1至2.7.6版本存在权限许可和访问控制问题漏洞，该漏洞源于网络配置步骤存在二进制植入问题，可能导致本地认证用户执行二进制植入攻击。
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
OpenVPN OpenVPN 2.5.0 ~ 2.6.22 -

II. Public POCs for CVE-2026-84226

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III. Intelligence Information for CVE-2026-84226

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Same Patch Batch · OpenVPN · 2026-09-07 · 9 CVEs total

CVE-2026-84732 8.7 HIGH OpenVPN 数字错误漏洞
CVE-2026-84256 7.7 HIGH OpenVPN 命令注入漏洞
CVE-2026-82325 6.8 MEDIUM OpenVPN ovpn-dco-win 资源管理错误漏洞
CVE-2026-78221 5.9 MEDIUM OpenVPN 缓冲区错误漏洞
CVE-2026-78043 5.6 MEDIUM OpenVPN 路径遍历漏洞
CVE-2026-81830 5.6 MEDIUM OpenVPN 输入验证错误漏洞
CVE-2026-81738 2.3 LOW OpenVPN 缓冲区错误漏洞
CVE-2026-82312 1.8 LOW OpenVPN 资源管理错误漏洞

IV. Related Vulnerabilities

Same product: OpenVPN
Same vendor: OpenVPN
Same weakness: CWE-426

V. Comments for CVE-2026-84226

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