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...

EUVD-2026-72278

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-2026-78221

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...

EUVD-2026-72276

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-2026-78221

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-2026-78221

An incorrect buffer size calculation in the Windows Interactive Service component of OpenVPN 2.7_alpha1 through 2.7.6 allows local authenticated users to cause memory corruption or disclose sensitive information by supplying crafted NRPT inputs . The CVSS 4.0 base score is 5.9 (MEDIUM) with a loc...

CVE-2026-78043

OpenVPN's Windows Interactive Service in versions 2.7_alpha1 through 2.7.6 allows local authenticated users to bypass the trusted configuration directory constraint, enabling them to load arbitrary configuration files via specially crafted paths. The CVSS 4.0 base score is 5.6 (MEDIUM) with a loc...

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-2026-78043

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...

EUVD-2026-72275

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-2026-84732: Integer Overflow or Wraparound

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...

PT-2026-86642

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...

PT-2026-86643

Name of the Vulnerable Software and Affected Versions OpenVPN versions 2.4.0 through 2.6.22 Description The Windows interactive service contains a flaw in file path validation. This allows local authenticated users to bypass the constraint of the trusted configuration directory. Recommendations...

PT-2026-86650

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...

PT-2026-86639

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

PT-2026-86644

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 service via a NULL DACL on named IPC objects...

PT-2026-86680

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-2026-78221: Incorrect Calculation of Buffer Size

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-2026-84226: Untrusted Search Path

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-2026-84256: Improper Neutralization of Special Elements used in an OS Command

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...