social-auth-core Vulnerable to Account Takeover via Identity Binding Flaw in Vend Backend

ImpactThe Vend OAuth2 backend used only the numeric Vend userid as the social-auth UID.When multiple Vend shops authenticate through the same application, users from different shops with the same internal Vend user ID could collide in the social-auth association table. A user from one shop could...

EUVD-2026-88462

LiteLLM contains a weak authentication vulnerability that allows an attacker holding a valid JWT from the configured identity provider to authenticate as any existing user by exploiting an email-based fallback lookup in the JWT authentication flow without verifying the emailverified claim...

CVE-2026-93355 LiteLLM Weak JWT Authentication via Email-Based User Lookup

LiteLLM contains a weak authentication vulnerability that allows an attacker holding a valid JWT from the configured identity provider to authenticate as any existing user by exploiting an email-based fallback lookup in the JWT authentication flow without verifying the emailverified claim...

CVE-2026-93355: Weak Authentication

LiteLLM contains a weak authentication vulnerability that allows an attacker holding a valid JWT from the configured identity provider to authenticate as any existing user by exploiting an email-based fallback lookup in the JWT authentication flow without verifying the emailverified claim...

social-auth-core Vulnerable to Account Takeover via Identity Binding Flaw in Vend Backend

Impact The Vend OAuth2 backend used only the numeric Vend userid as the social-auth UID. When multiple Vend shops authenticate through the same application, users from different shops with the same internal Vend user ID could collide in the social-auth association table. A user from one shop coul...

GHSA-FP7W-M676-W7GC social-auth-core Vulnerable to Account Takeover via Identity Binding Flaw in Vend Backend

Impact The Vend OAuth2 backend used only the numeric Vend userid as the social-auth UID. When multiple Vend shops authenticate through the same application, users from different shops with the same internal Vend user ID could collide in the social-auth association table. A user from one shop coul...

CVE-2026-57176

A flaw was found in social-auth-core. An identity binding weakness in the Vend OAuth2 authentication backend allows an authenticated remote attacker to gain unauthorized access to another user's account. Because the backend relies solely on numeric user identifiers without scoping them to specifi...

CVE-2026-57176 social-auth-core Vulnerable to Account Takeover via Identity Binding Flaw in Vend Backend

Python Social Auth is a social authentication/registration mechanism. Prior to version 5.0.0, the Vend OAuth2 backend used only the numeric Vend userid as the social-auth UID. When multiple Vend shops authenticate through the same application, users from different shops with the same internal Ven...

CVE-2026-57176 social-auth-core Vulnerable to Account Takeover via Identity Binding Flaw in Vend Backend

Python Social Auth is a social authentication/registration mechanism. Prior to version 5.0.0, the Vend OAuth2 backend used only the numeric Vend userid as the social-auth UID. When multiple Vend shops authenticate through the same application, users from different shops with the same internal Ven...

CVE-2026-57176

The Python Social Auth library is vulnerable to account takeover in its Vend OAuth2 backend prior to version 5.0.0 . The root cause is an identity binding flaw where the backend uses only the numeric user_id as the social-auth UID. When multiple Vend shops are integrated into the same application...

CVE-2026-57176 social-auth-core Vulnerable to Account Takeover via Identity Binding Flaw in Vend Backend

Python Social Auth is a social authentication/registration mechanism. Prior to version 5.0.0, the Vend OAuth2 backend used only the numeric Vend userid as the social-auth UID. When multiple Vend shops authenticate through the same application, users from different shops with the same internal Ven...

CVE-2026-90679

Forgejo 13.0.0 through 16.0.4, when "federation ENABLED = true" is set, has a spoofing issue that affects identity integrity but does not allow account takeover or content modification. It does not verify that the HTTP Signature on an incoming ActivityPub activity was produced by the key belongin...

CVE-2026-82968 Keycloak-services: keycloak-services: cross-session email verification proof not bound to upstream identity for social providers

A flaw was found in the first-broker-login flow of the Keycloak identity management service. When a user links a social identity provider account to their local account, the verification proof generated is not strictly bound to the specific upstream identity being verified. This allows an attacke...

CVE-2026-77194 Simple Membership <= 4.8.1 - Unauthenticated Authentication Bypass to Administrator Account Takeover via Multisite Identity Binding

The Simple Membership plugin for WordPress is vulnerable to Authentication Bypass leading to Administrator Account Takeover in versions up to, and including, 4.8.0. This is due to improper identity verification during the public registration flow in WordPress Multisite environments, where the...

CVE-2026-77194 Simple Membership <= 4.8.1 - Unauthenticated Authentication Bypass to Administrator Account Takeover via Multisite Identity Binding

The Simple Membership plugin for WordPress is vulnerable to Authentication Bypass leading to Administrator Account Takeover in versions up to, and including, 4.8.0. This is due to improper identity verification during the public registration flow in WordPress Multisite environments, where the...

WordPress Simple Membership plugin <= 4.8.1 - Unauthenticated Authentication Bypass to Administrator Account Takeover via Multisite Identity Binding vulnerability

Unauthenticated Authentication Bypass to Administrator Account Takeover via Multisite Identity Binding vulnerability discovered by Kittipat Jitphonchana in WordPress Plugin Simple Membership versions = 4.8.1...

CVE-2026-57580

In authentik versions before 2026.2.6 and 2026.5.5, an inbound SAML Source using USERNAME_LINK or EMAIL_LINK matching interprets XML comments in a NameID differently than the signed assertion. An attacker who can set their NameID can inject a comment to truncate the value to a victim's username/e...

CVE-2026-72849

Budibase before 3.40.0 contains a cross-site request forgery vulnerability in the chat-link handoff endpoint that allows attackers to bind an external chat identity to a victim's account. Attackers can craft a phishing page that auto-submits a POST request with a leaked confirmation token to bind...

CVE-2026-51584

An issue in usememos v0.27.1 allows a remote attacker to achieve account takeover via the ssoCredentials branch of the SignIn handler in server/router/api/v1/authservice.go, because SSO identity is matched only on an attacker-controllable identifier without binding to the IdP's stable subject cla...

EUVD-2026-53603

Cross-Site Request Forgery CSRF vulnerability in livebook-dev livebook allows an attacker to authenticate a victim's browser session under the attacker's own Livebook Teams identity. When Livebook is configured to use Livebook Teams for identity, Livebook.ZTA.LivebookTeams.handlerequest/4 in...