Known Vulnerabilities for OpenVPN by Openvpn

Listed below are 10 of the newest known vulnerabilities associated with "OpenVPN" by "Openvpn".

These CVEs are retrieved based on exact matches on listed software, hardware, and vendor information (CPE data) as well as a keyword search to ensure the newest vulnerabilities with no officially listed software information are still displayed.

Data on known vulnerable versions is also displayed based on information from known CPEs

Known Vulnerabilities

CVE Shortened Description Severity Publish Date Last Modified
CVE-2026-84732 json Retransmissions of ACK packet ID in OpenVPN through 2.6.22 and 2.7.6 allow remote unauthenticated attackers to cause a denial... Not Provided 2026-09-07 2026-09-08
CVE-2026-84256 json 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 authentica... Not Provided 2026-09-07 2026-09-08
CVE-2026-84226 json 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 bi... Not Provided 2026-09-07 2026-09-08
CVE-2026-82325 json A use-after-free vulnerability in the OpenVPN ovpn-dco-win driver version 2.5.0 through 2.8.6 allows local authenticated user... Not Provided 2026-09-07 2026-09-08
CVE-2026-82312 json OpenVPN 2.0.0 through 2.6.22 and 2.7_alpha1 through 2.7.6 on Windows allows local authenticated users to cause a denial of se... Not Provided 2026-09-07 2026-09-08
CVE-2026-81830 json The Windows interactive service in OpenVPN 2.4.0 through 2.6.22 allows local authenticated users to bypass the trusted config... Not Provided 2026-09-07 2026-09-08
CVE-2026-81738 json OpenVPN 2.5.0 through 2.7.6 on Windows using the tap-windows6 driver allows attackers to trigger an out-of-bounds write via c... Not Provided 2026-09-07 2026-09-08
CVE-2026-78221 json An incorrect buffer size calculation in the Windows Interactive Service in OpenVPN 2.7_alpha1 through 2.7.6 allows local auth... Not Provided 2026-09-07 2026-09-08
CVE-2026-78043 json The Windows Interactive Service in OpenVPN 2.7_alpha1 through 2.7.6 allows local authenticated users to bypass the trusted co... Not Provided 2026-09-07 2026-09-08
CVE-2026-73973 json Linuxfabrik Monitoring Plugins provides monitoring plugins for Icinga, Nagios, and related systems. Prior to version 7.0.0, c... Not Provided 2026-08-18 2026-08-19

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationOpenvpnOpenvpn2.8.3
ApplicationOpenvpnOpenvpn2.8.1
ApplicationOpenvpnOpenvpn2.8.0
ApplicationOpenvpnOpenvpn2.7.5
ApplicationOpenvpnOpenvpn2.7.4
ApplicationOpenvpnOpenvpn2.7.3
ApplicationOpenvpnOpenvpn2.7.0
ApplicationOpenvpnOpenvpn2.6.1
ApplicationOpenvpnOpenvpn2.5.2
ApplicationOpenvpnOpenvpn2.5.0
ApplicationOpenvpnOpenvpn2.4.9
ApplicationOpenvpnOpenvpn2.4.8
ApplicationOpenvpnOpenvpn2.4.7
ApplicationOpenvpnOpenvpn2.4.6
ApplicationOpenvpnOpenvpn2.4.5
ApplicationOpenvpnOpenvpn2.4.4
ApplicationOpenvpnOpenvpn2.4.3
ApplicationOpenvpnOpenvpn2.4.2
ApplicationOpenvpnOpenvpn2.4.1
ApplicationOpenvpnOpenvpn2.4.0

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