CVE-2026-15616

Logto does not enforce locally configured MFA during SSO authentication, allowing users to bypass second-factor requirements and grants unauthorized access...

CVE-2026-15611

Logto allows unverified email-based SSO account linking, enabling an attacker to register an identity at a permissive IdP using a victim’s email and gain unauthorized access to the victim’s account...

CVE-2026-15614 IdP-initiated SAML sessions not reliably invalidated (replay)

Logto silently fails to delete IdP-initiated SAML sessions, enabling session replay and reuse within the session’s validity window...

CVE-2026-15616 Local MFA not enforced during SSO sign-in

Logto does not enforce locally configured MFA during SSO authentication, allowing users to bypass second-factor requirements and grants unauthorized access...

EUVD-2026-48301

Logto does not enforce locally configured MFA during SSO authentication, allowing users to bypass second-factor requirements and grants unauthorized access...

CVE-2026-15616 Local MFA not enforced during SSO sign-in

Logto does not enforce locally configured MFA during SSO authentication, allowing users to bypass second-factor requirements and grants unauthorized access...

CVE-2026-15616

The Logto identity and access management platform fails to enforce locally configured Multi-Factor Authentication (MFA) during Single Sign-On (SSO) authentication. The vulnerability occurs when hasVerifiedSsoIdentity is true, allowing an attacker with a federated identity from a permissive upstre...

CVE-2026-15616 Local MFA not enforced during SSO sign-in

Logto does not enforce locally configured MFA during SSO authentication, allowing users to bypass second-factor requirements and grants unauthorized access...

Logto Identity Platform has authentication and authorization failures in core protocol handling

Overview The Logto platform contains multiple vulnerabilities affecting the identity‑processing pipeline. These flaws reduce the reliability of authentication and authorization decisions and may allow attackers to bypass account‑ownership checks, skip MFA, replay externally issued SSO responses, ...

PT-2026-64020

Name of the Vulnerable Software and Affected Versions Logto affected versions not specified Description Logto fails to enforce locally configured Multi-Factor Authentication MFA during Single Sign-On SSO authentication. This flaw allows users to bypass second-factor requirements, potentially...

CVE-2026-15981: Improper Authentication

The SAML Single Sign On – SSO Login plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 5.4.4. This is due to the mosamlvalidatesignature function performing a loose boolean check on the raw tri-state integer returned by PHP's opensslverify, causing a...

NPM: n8n: SSO Instance-Role Provisioning Allows Privilege Escalation to Instance Owner

NPM: n8n: SSO Instance-Role Provisioning Allows Privilege Escalation to Instance Owner vulnerability discovered by ? in WordPress Npm n8n versions 1.123.64...

Authorization Bypass Through User-Controlled Key

Overview n8n is a n8n Workflow Automation Tool Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key in the SSO instance-role provisioning. An attacker can gain full administrative privileges by manipulating the instance-role claim issued by the...

GHSA-MWQ7-VCMC-CM4Q Duplicate Advisory: SSO Instance-Role Provisioning Allows Privilege Escalation to Instance Owner

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-35q8-9mj6-wjmf. This link is maintained to preserve external references. Original Description n8n versions before 1.123.64, 2.29.8, and 2.30.1 contain a privilege escalation vulnerability in Enterprise SSO...

CVE-2026-65016

CVE-2026-65016 affects n8n versions before 1.123.64, 2.29.8, and 2.30.1. The issue lies in Enterprise SSO instance-role provisioning: the IdP-asserted role claim is mapped to an n8n global role without preventing assignment of the global:owner role. Consequently, an SSO-authenticated user whose i...

CVE-2026-65016 n8n before 1.123.64, 2.29.8, and 2.30.1 Privilege Escalation via SSO Instance-Role

n8n versions before 1.123.64, 2.29.8, and 2.30.1 contain a privilege escalation vulnerability in Enterprise SSO instance-role provisioning. The provisioning path maps an IdP-asserted role claim to an n8n global role but does not prevent assignment of the global:owner role unlike the token-exchang...

CVE-2026-65016 n8n before 1.123.64, 2.29.8, and 2.30.1 Privilege Escalation via SSO Instance-Role

n8n versions before 1.123.64, 2.29.8, and 2.30.1 contain a privilege escalation vulnerability in Enterprise SSO instance-role provisioning. The provisioning path maps an IdP-asserted role claim to an n8n global role but does not prevent assignment of the global:owner role unlike the token-exchang...

CVE-2026-65016 n8n before 1.123.64, 2.29.8, and 2.30.1 Privilege Escalation via SSO Instance-Role

n8n versions before 1.123.64, 2.29.8, and 2.30.1 contain a privilege escalation vulnerability in Enterprise SSO instance-role provisioning. The provisioning path maps an IdP-asserted role claim to an n8n global role but does not prevent assignment of the global:owner role unlike the token-exchang...

Internationalization Single Sign-On - Critical - Access bypass - SA-CONTRIB-2026-081

In a scenario of a multilingual website with different domain names per language, this module enables you to be automatically connected across the language domains if you are logged on the main language domain. The module doesn't sufficiently validate a short-lived token, allowing an attacker to...

PT-2026-63346

n8n versions before 1.123.64, 2.29.8, and 2.30.1 contain a privilege escalation vulnerability in Enterprise SSO instance-role provisioning. The provisioning path maps an IdP-asserted role claim to an n8n global role but does not prevent assignment of the global:owner role unlike the token-exchang...