MGASA-2026-0236 Updated openvpn packages fix security vulnerabilities

The updated packages fix security vulnerabilities: Possible 1-byte buffer overrun on NTLMv2 proxy responses. CVE-2026-11771 Memory-leak in tls-crypt-v2 client key handling that could lead to out-of-memory situations and subsequent server crashes. CVE-2026-12932 Use-after-free bug in ackwritebuf,...

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...

ALPINE-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-2026-13122

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...

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...

CVE-2026-13122

Summary: CVE-2026-13122 affects OpenVPN up to v2.6.20 and v2.7.4 (including 2.7_alpha1–2.7.4). A malformed authentication token, when external-auth is enabled, can trigger a reachable assertion and cause a denial of service. Impact: Denial of service; vulnerability affects remote attacker exploit...

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...

PT-2026-55942

Name of the Vulnerable Software and Affected Versions OpenVPN versions 2.6.0 through 2.6.20 OpenVPN versions 2.7 alpha1 through 2.7.4 Description A remote attacker can cause a denial of service when the external-auth feature is enabled. This occurs by sending a malformed authentication token that...

CVE-2026-6736

An authentication bypass vulnerability was identified in GitHub Enterprise Server that allowed an unauthenticated attacker to create a local user account, bypassing the configured external identity provider. When external authentication was enabled, the signup endpoint did not properly enforce th...

CVE-2026-9245

Improper input validation in the external authentication provider flow in Devolutions Server allows an unauthenticated remote attacker to redirect victims to an attacker-controlled domain via a crafted login link. This issue affects : Devolutions Server 2026.1.6.0 through 2026.1.16.0 Devolutions...

EUVD-2026-31459

Improper input validation in the external authentication provider flow in Devolutions Server allows an unauthenticated remote attacker to redirect victims to an attacker-controlled domain via a crafted login link. This issue affects : Devolutions Server 2026.1.6.0 through 2026.1.16.0 Devolutions...

CVE-2026-9245

Improper input validation in the external authentication provider flow in Devolutions Server allows an unauthenticated remote attacker to redirect victims to an attacker-controlled domain via a crafted login link. This issue affects : Devolutions Server 2026.1.6.0 through 2026.1.16.0 Devolutions...

CVE-2026-9245

Improper input validation in the external authentication provider flow in Devolutions Server allows an unauthenticated remote attacker to redirect victims to an attacker-controlled domain via a crafted login link. This issue affects : Devolutions Server 2026.1.6.0 through 2026.1.16.0 Devolutions...

Devolutions Server 安全漏洞

Devolutions Server is an application system developed by the Canadian company Devolutions. It provides a fully functional solution for shared accounts and password management. Versions of Devolutions Server from 2026.1.6.0 to 2026.1.16.0, as well as versions prior to 2025.3.20.0, have security...

PT-2026-42791

Improper input validation in the external authentication provider flow in Devolutions Server allows an unauthenticated remote attacker to redirect victims to an attacker-controlled domain via a crafted login link. This issue affects : Devolutions Server 2026.1.6.0 through 2026.1.16.0 Devolutions...

EUVD-2026-30607

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, he LDAP and OAuth authentication flows use a TOCTOU Time-of-Check-Time-of-Use pattern for first-user admin role assignment. The regular signup handler signuphandler in auths.py, line...

EUVD-2026-28461

An authentication bypass vulnerability was identified in GitHub Enterprise Server that allowed an unauthenticated attacker to create a local user account, bypassing the configured external identity provider. When external authentication was enabled, the signup endpoint did not properly enforce th...

CVE-2026-6736

An authentication bypass vulnerability was identified in GitHub Enterprise Server that allowed an unauthenticated attacker to create a local user account, bypassing the configured external identity provider. When external authentication was enabled, the signup endpoint did not properly enforce th...

CVE-2026-6736

CVE-2026-6736 describes an authentication bypass in GitHub Enterprise Server (GHES) : when external authentication is enabled, the signup endpoint could create a local user account and establish a session without validating the external identity provider. This unauthenticated access required netw...