CVE-2026-81830

A flaw was found in OpenVPN. The Windows interactive service in OpenVPN contains an incorrect file path validation vulnerability. A local authenticated user could exploit this flaw to bypass the trusted configuration directory constraint, leading to a security bypass and potential integrity...

CVE-2026-82325

A use-after-free vulnerability in the OpenVPN ovpn-dco-win driver version 2.5.0 through 2.8.6 allows local authenticated users to cause a system crash via crafted control messages...

CVE-2026-84256

A flaw was found in OpenVPN on Windows. An argument parsing issue allows remote authenticated users to execute arbitrary commands by providing a specially crafted certificate subject. This vulnerability could lead to a complete compromise of the affected system...

CVE-2026-82325

CVE-2026-82325 is a use-after-free vulnerability in the OpenVPN ovpn-dco-win driver, affecting versions 2.5.0 through 2.8.6 . A local authenticated user can trigger a system crash by sending crafted control messages to the driver. The CVSS 4.0 score is 6.8 (MEDIUM) , with a local attack vector, l...

EUVD-2026-72348

A use-after-free vulnerability in the OpenVPN ovpn-dco-win driver version 2.5.0 through 2.8.6 allows local authenticated users to cause a system crash via crafted control messages...

CVE-2026-84732

A flaw was found in OpenVPN. Remote unauthenticated attackers can cause a denial of service by sending specially crafted network inputs. These inputs trigger a timeout integer overflow during the retransmission of acknowledgment ACK packet IDs, which can make the OpenVPN service unavailable...

CVE-2026-84732

Retransmissions of ACK packet ID in OpenVPN through 2.6.22 and 2.7.6 allow remote unauthenticated attackers to cause a denial of service via crafted inputs that trigger a timeout integer overflow...

ALPINE-CVE-2026-84732

Retransmissions of ACK packet ID in OpenVPN through 2.6.22 and 2.7.6 allow remote unauthenticated attackers to cause a denial of service via crafted inputs that trigger a timeout integer overflow...

CVE-2026-81738

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 crafted DOMAIN-SEARCH entries...

CVE-2026-84226

OpenVPN version 2.5.0 through 2.6.22 and 2.7alpha1 through 2.7.6 on Windows allows local authenticated users to perform a binary planting attack during network configuration steps...

CVE-2026-81830

The Windows interactive service in OpenVPN 2.4.0 through 2.6.22 allows local authenticated users to bypass the trusted configuration directory constraint via incorrect file path validation...

CVE-2026-82312

OpenVPN 2.0.0 through 2.6.22 and 2.7alpha1 through 2.7.6 on Windows allows local authenticated users to cause a denial of service via a NULL DACL on named IPC objects...

CVE-2026-84256

An argument parsing issue in OpenVPN 2.1rc10 through 2.6.22 and 2.7alpha1 through 2.7.6 on Windows allows remote authenticated users to execute arbitrary commands via a crafted certificate subject...

CVE-2026-78221

An incorrect buffer size calculation in the Windows Interactive Service in OpenVPN 2.7alpha1 through 2.7.6 allows local authenticated users to cause memory corruption or disclose sensitive information via crafted NRPT inputs...

CVE-2026-78043

The Windows Interactive Service in OpenVPN 2.7alpha1 through 2.7.6 allows local authenticated users to bypass the trusted configuration directory constraint and load arbitrary configuration files via specially crafted paths...

CVE-2026-81830

The Windows interactive service in OpenVPN 2.4.0 through 2.6.22 allows local authenticated users to bypass the trusted configuration directory constraint via incorrect file path validation...

CVE-2026-84732

OpenVPN 2.x (through 2.6.22 and 2.7.6 ) is vulnerable to a denial of service in the control channel reliability layer, caused by a timeout integer overflow triggered by crafted ACK packet ID retransmissions. Attackers can either drive the reliable TLS retransmission timeout to grow without bound ...

CVE-2026-84732

Retransmissions of ACK packet ID in OpenVPN through 2.6.22 and 2.7.6 allow remote unauthenticated attackers to cause a denial of service via crafted inputs that trigger a timeout integer overflow...

CVE-2026-84732

Retransmissions of ACK packet ID in OpenVPN through 2.6.22 and 2.7.6 allow remote unauthenticated attackers to cause a denial of service via crafted inputs that trigger a timeout integer overflow...

EUVD-2026-72302

Retransmissions of ACK packet ID in OpenVPN through 2.6.22 and 2.7.6 allow remote unauthenticated attackers to cause a denial of service via crafted inputs that trigger a timeout integer overflow...