CVE-2026-82968

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...

EUVD-2026-69800

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-2026-61641 Wallos: OIDC account takeover via email-based account linking without `email_verified` check

Wallos is an open-source, self-hostable personal subscription tracker. From version 4.0.0 to before version 4.9.6, Wallos's OIDC login links an incoming OIDC identity to an existing local account by matching the email claim alone, without verifying that the IdP marked that email as verified...

@hono/oauth-providers: OAuth state check fails open on omitted state, enabling login CSRF and forced account linking

Summary The built-in social login providers accept an OAuth callback even when the state value is absent on both sides, so the anti-CSRF check passes for a callback that never came from a genuine login attempt. This defeats the state-based CSRF protection under default usage. Details The state...

CVE-2026-81888 @hono/oauth-providers: OAuth state check fails open on omitted state, enabling login CSRF and forced account linking

@hono/oauth-providers is Authentication middleware for Hono. Prior to version 0.8.6, the built-in social login providers accept an OAuth callback even when the state value is absent on both sides, so the anti-CSRF check passes for a callback that never came from a genuine login attempt. This...

EUVD-2026-68770

@hono/oauth-providers is Authentication middleware for Hono. Prior to version 0.8.6, the built-in social login providers accept an OAuth callback even when the state value is absent on both sides, so the anti-CSRF check passes for a callback that never came from a genuine login attempt. This...

CVE-2026-81888

@hono/oauth-providers , authentication middleware for the Hono web framework, has a flaw in its OAuth state validation. Prior to version 0.8.6 , the built-in social login providers accept an OAuth callback even when the state value is absent on both the expected and received sides, causing the an...

EUVD-2026-66214

@better-auth/sso before 1.6.27 and before 1.4.8 in the 1.4.x line and before 1.7.0-rc.5 in the 1.7 prerelease line contains two domain-ownership flaws. When domain verification is disabled, automatic organization assignment accepts unverified provider domains, allowing an authenticated organizati...

CVE-2026-80192

@better-auth/sso before 1.6.27 and before 1.4.8 in the 1.4.x line and before 1.7.0-rc.5 in the 1.7 prerelease line contains two domain-ownership flaws. When domain verification is disabled, automatic organization assignment accepts unverified provider domains, allowing an authenticated organizati...

CVE-2026-80192

@better-auth/sso contains two domain-ownership authentication bypass flaws affecting versions before 1.6.27 (and before 1.4.8 in the 1.4.x line, before 1.7.0-rc.5 in the 1.7 prerelease line). When domain verification is disabled , an authenticated organization owner/administrator can register an ...

CVE-2026-80192 better-auth SSO before 1.6.27 Domain Ownership Authentication Bypass

@better-auth/sso before 1.6.27 and before 1.4.8 in the 1.4.x line and before 1.7.0-rc.5 in the 1.7 prerelease line contains two domain-ownership flaws. When domain verification is disabled, automatic organization assignment accepts unverified provider domains, allowing an authenticated organizati...

CVE-2026-80192 better-auth SSO before 1.6.27 Domain Ownership Authentication Bypass

@better-auth/sso before 1.6.27 and before 1.4.8 in the 1.4.x line and before 1.7.0-rc.5 in the 1.7 prerelease line contains two domain-ownership flaws. When domain verification is disabled, automatic organization assignment accepts unverified provider domains, allowing an authenticated organizati...

BIT-KEYCLOAK-2026-15571 Flaw in the legacy client-initiated account-linking endpoint of Keycloak

A flaw was found in the legacy client-initiated account-linking endpoint of Keycloak, a widely used open-source identity and access management solution. The mechanism used to protect the account-linking process from unauthorized requests relies on a hash that can be predicted by a malicious OIDC...

PT-2026-81905

Name of the Vulnerable Software and Affected Versions @better-auth/sso versions prior to 1.4.8 @better-auth/sso versions prior to 1.6.27 @better-auth/sso versions prior to 1.7.0-rc.5 Description Two domain-ownership flaws exist when the SSO plugin is active. If domain verification is disabled,...

Keycloak 26.6.x < 26.6.6 Multiple Vulnerabilities

The version of Keycloak installed on the remote host is 26.6.x prior to 26.6.6. It is, therefore, affected by multiple vulnerabilities: - A flaw was found in the legacy client-initiated account-linking endpoint of Keycloak. The mechanism used to protect the account-linking process from unauthoriz...

CVE-2026-15571 Keycloak-services: keycloak-services: predictable account-linking hash enables account takeover via malicious oidc client

A flaw was found in the legacy client-initiated account-linking endpoint of Keycloak, a widely used open-source identity and access management solution. The mechanism used to protect the account-linking process from unauthorized requests relies on a hash that can be predicted by a malicious OIDC...

CVE-2026-15571

A flaw was found in the legacy client-initiated account-linking endpoint of Keycloak, a widely used open-source identity and access management solution. The mechanism used to protect the account-linking process from unauthorized requests relies on a hash that can be predicted by a malicious OIDC...

CVE-2026-73302

Budibase is an open-source low-code platform. Prior to 3.39.30, the OIDC flow in packages/backend-core/src/middleware/passport/sso/oidc.ts resolved an email without getEmailVerified or an emailverified requirement, and packages/backend-core/src/middleware/passport/sso/sso.ts then used...

CVE-2026-73302 Budibase: OIDC SSO account takeover: incoming identity linked by email without checking email_verified

Budibase is an open-source low-code platform. Prior to 3.39.30, the OIDC flow in packages/backend-core/src/middleware/passport/sso/oidc.ts resolved an email without getEmailVerified or an emailverified requirement, and packages/backend-core/src/middleware/passport/sso/sso.ts then used...

CVE-2026-73419

NextAuth.js provides authentication for Next.js. Prior to@auth/core 0.41.3 and next-auth 4.24.15 and 5.0.0-beta.32, Auth.js stores the OAuth/OIDC anti-CSRF checks state, nonce, and the PKCE verifier in global cookies that are not bound to the provider that created them. On callback, a check value...