High severityNVD Advisory· Published Sep 7, 2026

CVE-2026-84256

Description

An argument parsing issue in OpenVPN 2.1_rc10 through 2.6.22 and 2.7_alpha1 through 2.7.6 on Windows allows remote authenticated users to execute arbitrary commands via a crafted certificate subject

Affected products

OpenVPN/OpenVPNllm-fuzzy
Range: 2.1_rc10 through 2.6.22, 2.7_alpha1 through 2.7.6 on Windows

Patches

Vulnerability mechanics

References

community.openvpn.net/Security%20Announcements/CVE-2026-84256nvd

News mentions

OpenVPN Fixes 7 Security Flaws Affecting VPN Connections and Windows Systems
Cyber Security News · Sep 7, 2026

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epss	0.000
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kev	0.000
patch	-0.070
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