CVE-2026-9044

Technical details about CVE-2026-9044 are not publicly available in the provided documents; monitor for updates.

ALPINE-CVE-2026-12996

A use-after-free in OpenVPN 2.6.0 through 2.6.20 and 2.7alpha1 through 2.7.4 allows remote authenticated peers to potentially cause a denial of service or leak memory via crafted packets during TLS session promotion or expiry...

CVE-2026-12996

CVE-2026-12996 affects OpenVPN 2.6.0–2.6.20 and 2.7_alpha1–2.7.4, via a use-after-free in ack_write_buf triggered by specific control/auth sequence during TLS session promotion/expiry, potentially causing a crash or memory leak (denial of service). Connected advisories note that updates exist to ...

EUVD-2026-51234

An incomplete guard in OpenVPN 2.6.0 through 2.6.20 and 2.7alpha1 through 2.7.4 allows remote authenticated peers to trigger a use-after-free during TLS session promotion, potentially leading to a denial of service or memory leakage...

CVE-2026-13379

The Windows interactive service in OpenVPN 2.7alpha1 through 2.7.4 allows remote attackers to cause persistent DNS state pollution or a service crash via a crafted search domain during the disconnection process...

CVE-2026-13122

OpenVPN version 2.6.0 through 2.6.20 and 2.7alpha1 through 2.7.4 allows remote attackers to cause a denial of service via a malformed authentication token that triggers a reachable assertion when external-auth is enabled...

EUVD-2026-41880

OpenVPN version 2.6.0 through 2.6.20 and 2.7alpha1 through 2.7.4 allows remote attackers to cause a denial of service via a malformed authentication token that triggers a reachable assertion when external-auth is enabled...

CVE-2026-58000 luci-proto-openvpn - Command Injection via cl_meta Parameter in generateKey

luci-proto-openvpn through 0.11.1, fixed in commit e4ff45e, contains a command injection vulnerability in the generateKey ubus method where the clmeta parameter is interpolated into a shell command without proper escaping or quoting. An authenticated LuCI user with OpenVPN protocol configuration...

CVE-2026-45918 ovpn: tcp - don't deref NULL sk_socket member after tcp_close()

In the Linux kernel, the following vulnerability has been resolved: ovpn: tcp - don't deref NULL sksocket member after tcpclose When deleting a peer in case of keepalive expiration, the peer is removed from the OpenVPN hashtable and is temporary inserted in a "release list" for further processing...

OpenVPN tls_crypt_v2_extract_client_key() DoS

The vulnerability of the tlscryptv2extractclientkey function in the OpenVPN software is related to an uncontrolled and exploitable flaw. Exploiting this vulnerability could allow a remote attacker to cause a service failure...

Unity Linux 20.1070e Security Update: openvpn (UTSA-2026-017373)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017373 advisory. OpenVPN 2.1 until v2.4.12 and v2.5.6 may enable authentication bypass in external authentication plug-ins when more than one of them makes use of deferred...

PT-2026-31409

Name of the Vulnerable Software and Affected Versions TP-Link AX53 versions prior to 1.7.1 Build 20260213 Description A configuration issue in the OpenVPN module allows a nearby attacker with access to read arbitrary files when a malicious configuration file is processed. Successful exploitation...

SUSE SLES16 Security Update : openvpn (SUSE-SU-2026:20196-1)

The remote SUSE Linux SLES16 / SLESSAP16 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:20196-1 advisory. - CVE-2025-13086: Fixed improper validation of source IP addresses in OpenVPN that could lead to DoS bsc1254486. Tenable has extracted the...

GHSA-74JR-8VHJ-2C3F vulnerabilities

Vulnerabilities for packages: openvpn...

ROS-20251226-7304

Vulnerability in openvpn due to failure to take measures to protect the structure of a web page. Exploitation of the vulnerability could allow an attacker acting remotely to execute arbitrary code...

OpenVPN DoS

The vulnerability of OpenVPN software is related to the unlimited distribution of resources. Exploiting this vulnerability can allow a hacker to cause a service failure...

Amazon Linux 2023 : openvpn, openvpn-devel (ALAS2023-2025-1312)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2025-1312 advisory. HMAC verification check: fix incorrect memcmp call NOTE: https://community.openvpn.net/Security%20Announcements/CVE-2025-13086 CVE-2025-13086 Tenable has extracted the preceding description block...

OpenVPN security vulnerabilities

OpenVPN is a software package for creating encrypted tunnels for virtual private networks VPNs from US-based OpenVPN, which uses the OpenSSL library to encrypt data and control information and allows the created VPN to be authenticated using a public key, an electronic certificate, or a...

Ubuntu 24.04 LTS / 25.04 / 25.10 : OpenVPN vulnerability (USN-7898-1)

The remote Ubuntu 24.04 LTS / 25.04 / 25.10 host has a package installed that is affected by a vulnerability as referenced in the USN-7898-1 advisory. Joshua Rogers discovered that OpenVPN incorrectly handled HMAC verification checks. A remote attacker could possibly use this issue to bypass sour...

OpenVPN --dns-updown Code Execution

The vulnerability of the --dns-updown component of the OpenVPN software is related to the lack of measures taken to neutralize special elements during the processing of arguments --dns and --dhcp-option. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...