Description
OpenVPN 2.7_alpha1 through 2.7.7 allows remote authenticated users to impersonate others via a crafted certificate subject field
Published: 2026-10-13
Score: 7.6 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

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History

Sun, 18 Oct 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Sun, 18 Oct 2026 11:30:00 +0000

Type Values Removed Values Added
First Time appeared Openvpn
Openvpn openvpn
Vendors & Products Openvpn
Openvpn openvpn

Fri, 16 Oct 2026 02:45:00 +0000

Type Values Removed Values Added
Title OpenVPN 2.7.x Remote Authenticated Certificate Subject Field for Account Impersonation

Tue, 13 Oct 2026 22:00:00 +0000

Type Values Removed Values Added
Description OpenVPN 2.3.0 through 2.6.22 and 2.7_alpha1 through 2.7.7 allows remote authenticated users to impersonate others via a crafted certificate subject field OpenVPN 2.7_alpha1 through 2.7.7 allows remote authenticated users to impersonate others via a crafted certificate subject field

Tue, 13 Oct 2026 21:45:00 +0000

Type Values Removed Values Added
Description OpenVPN 2.3.0 through 2.6.22 and 2.7_alpha1 through 2.7.7 allows remote authenticated users to impersonate others via a crafted certificate subject field
Weaknesses CWE-158
CWE-290
References
Metrics cvssV4_0

{'score': 7.6, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}


Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: OpenVPN

Published:

Updated: 2026-10-18T13:54:09.591Z

Reserved: 2026-09-02T10:17:52.615Z

Link: CVE-2026-84790

cve-icon Vulnrichment

Updated: 2026-10-18T13:47:51.747Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-13T22:18:58.937

Modified: 2026-10-18T14:16:56.797

Link: CVE-2026-84790

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-18T11:15:16Z

Weaknesses
  • CWE-158

    Improper Neutralization of Null Byte or NUL Character

  • CWE-290

    Authentication Bypass by Spoofing