The vulnerability in the `drivers/net/wireguard/device.c` component of the Linux operating system allows a hacker to trigger a service failure.

The vulnerability in the drivers/net/wireguard/device.c component of the Linux kernel lies in insufficient checks on the status of shared resources. Exploiting this vulnerability can allow an attacker to cause service failures...

CVE-2026-72603: Improper Neutralization of Special Elements used in an OS Command

An OS command injection vulnerability in wg-easy 15.3.0 allows users with the clients.create permission to execute arbitrary commands as root by injecting newline-delimited WireGuard PostUp directives into the client name field. The client name is written to the WireGuard configuration file witho...

CVE-2026-19380

A vulnerability was identified in Mullvad wireguard.sys 0.10.1. The affected element is the function AdapterState of the component IOCTL Handler. Such manipulation leads to improper update of reference count. Local access is required to approach this attack. The exploit is publicly available and...

EUVD-2026-54975

A vulnerability was identified in Mullvad wireguard.sys 0.10.1. The affected element is the function AdapterState of the component IOCTL Handler. Such manipulation leads to improper update of reference count. Local access is required to approach this attack. The exploit is publicly available and...

CVE-2026-19380

A vulnerability was identified in Mullvad wireguard.sys 0.10.1. The affected element is the function AdapterState of the component IOCTL Handler. Such manipulation leads to improper update of reference count. Local access is required to approach this attack. The exploit is publicly available and...

CVE-2026-19380 Mullvad wireguard.sys IOCTL AdapterState reference count

A vulnerability was identified in Mullvad wireguard.sys 0.10.1. The affected element is the function AdapterState of the component IOCTL Handler. Such manipulation leads to improper update of reference count. Local access is required to approach this attack. The exploit is publicly available and...

CVE-2026-19380

The CVE-2026-19380 affects Mullvad wireguard.sys 0.10.1, specifically the AdapterState function within the IOCTL Handler. The vulnerability is described as a manipulation that leads to an improper update of the reference count, requiring local access to exploit. Public exploitation material is no...

EUVD-2026-52401

A vulnerability was determined in GL-iNet GL-MT3000 up to 4.4.5. The affected element is the function wg-server.generatepublickey of the file /cgi-bin/glc of the component wg-server.so Native Plugin. Executing a manipulation of the argument privatekey can lead to command injection. The attack may...

PT-2026-67482

A vulnerability was identified in GL-iNet GL-MT3000 up to 4.4.5. The impacted element is the function server.set peer of the file /cgi-bin/glc of the component wg-server.so Native Plugin. The manipulation of the argument public key leads to command injection. Remote exploitation of the attack is...

SUSE CVE-2026-34227

Sliver is a command and control framework that uses a custom Wireguard netstack. Prior to version 1.7.4, a single click on a malicious link gives an unauthenticated attacker immediate, silent control over every active C2 session or beacon, capable of exfiltrating all collected target data e.g. SS...

SUSE CVE-2026-41520

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Prior to versions 1.17.15, 1.18.9, and 1.19.3, the output of cilium-bugtool can contain sensitive data when the tool is run against Cilium deployments with WireGuard encryption enabled. This issue has been...

SUSE CVE-2026-55428

Coder allows organizations to provision remote development environments via Terraform. Prior to versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2, the tailnet coordinator validates that an agent's Addresses derive from its authenticated UUID but applies no equivalent check to AllowedIPs. The coordinato...

MikroTik RouterOS

ADVISORY SUMMARY Successful exploitation of this vulnerability could allow an attacker to extract the router's WireGuard private key in plaintext using only low‑privilege API access, enabling full VPN impersonation and decryption of all associated traffic. 2. RECOMMENDED PRACTICES CISA...

FreeBSD : FreeBSD -- Missing MAC validation in wg(4) packet decryption (3840a83e-8bb8-11f1-a6ab-bc241121aa0a)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the 3840a83e-8bb8-11f1-a6ab-bc241121aa0a advisory. After dispatching a decrypt operation to OCF and receiving the result, the wg4 driver failed to check...

FreeBSD -- Missing MAC validation in wg(4) packet decryption

Problem Description: After dispatching a decrypt operation to OCF and receiving the result, the wg4 driver failed to check whether the MAC verification step succeeded. The driver thus silently accepted packets with an invalid Poly1305 authentication tag. Impact: A remote attacker who can send UDP...

FreeBSD-SA-26:52.if_wg

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-26:52.ifwg Security Advisory The FreeBSD Project Topic: Missing MAC validation in wg4 packet decryption Category: core Module: ifwg Announced: 2026-07-29...

FreeBSD Security Advisory - FreeBSD-SA-26:52.if_wg

FreeBSD Security Advisory - After dispatching a decrypt operation to OCF and receiving the result, the wg4 driver failed to check whether the MAC verification step succeeded. The driver thus silently accepted packets with an invalid Poly1305 authentication tag...

CVE-2026-63089

WireGuard Easy through 15.3.0, fixed in commit 66b292b, contains a cryptographically weak one-time link token generation vulnerability that allows unauthenticated network attackers to recover WireGuard peer credentials by brute-forcing a keyspace of at most 1000 candidate tokens per client ID, as...

CVE-2026-63089 WireGuard Easy Weak Token Generation Information Disclosure via OTL Route

WireGuard Easy through 15.3.0, fixed in commit 66b292b, contains a cryptographically weak one-time link token generation vulnerability that allows unauthenticated network attackers to recover WireGuard peer credentials by brute-forcing a keyspace of at most 1000 candidate tokens per client ID, as...

CVE-2026-63089 WireGuard Easy Weak Token Generation Information Disclosure via OTL Route

WireGuard Easy through 15.3.0, fixed in commit 66b292b, contains a cryptographically weak one-time link token generation vulnerability that allows unauthenticated network attackers to recover WireGuard peer credentials by brute-forcing a keyspace of at most 1000 candidate tokens per client ID, as...