CVE-2026-18215

Keycloak provides a way to let users log in using Microsoft accounts while restricting access to a specific organization tenant. A flaw was discovered where this restriction is ignored when using the token exchange feature. This means an attacker with a valid Microsoft token from a completely...

EUVD-2026-51485

Keycloak allows users to log in using Google accounts and can be configured to only allow users from specific Google Workspace domains. A flaw was found where the token exchange feature, which allows swapping a Google token for a Keycloak token, does not check these domain restrictions. This mean...

CVE-2026-18214 Keycloak-services: keycloak-services: google external access-token exchange bypasses hosted-domain restriction

Keycloak allows users to log in using Google accounts and can be configured to only allow users from specific Google Workspace domains. A flaw was found where the token exchange feature, which allows swapping a Google token for a Keycloak token, does not check these domain restrictions. This mean...

CVE-2026-18214

Summary of CVE-2026-18214 (Keycloak) Affected product: Keycloak with Google account login and domain-restriction configuration options. Vulnerable component/flow: token exchange feature that swaps a Google OAuth token for a Keycloak token. Root cause: the token exchange path does not enforce Goog...

CVE-2026-18214

Keycloak allows users to log in using Google accounts and can be configured to only allow users from specific Google Workspace domains. A flaw was found where the token exchange feature, which allows swapping a Google token for a Keycloak token, does not check these domain restrictions. This mean...

CVE-2026-18208

Affected product: Keycloak (keycloak-services OIDC token introspection endpoint). Issue: when a confidential client that expects signed JWT introspection responses inspects a token issued for a different audience, the endpoint still returns the full set of token claims inside a signed JWT field e...

EUVD-2026-51482

A flaw was found in the OIDC token introspection endpoint of the keycloak-services component. Keycloak is an open-source identity and access management solution used to secure modern applications and services. The issue occurs when a confidential client, configured to receive signed JWT...

CVE-2026-18208 Keycloak-services: keycloak-services: inactive out-of-audience token introspection leaks signed jwt claim

A flaw was found in the OIDC token introspection endpoint of the keycloak-services component. Keycloak is an open-source identity and access management solution used to secure modern applications and services. The issue occurs when a confidential client, configured to receive signed JWT...

CVE-2026-18208

A flaw was found in the OIDC token introspection endpoint of the keycloak-services component. Keycloak is an open-source identity and access management solution used to secure modern applications and services. The issue occurs when a confidential client, configured to receive signed JWT...

EUVD-2026-51480

Keycloak provides a way to let users log in using Microsoft accounts while restricting access to a specific organization tenant. A flaw was discovered where this restriction is ignored when using the token exchange feature. This means an attacker with a valid Microsoft token from a completely...

CVE-2026-18215

Keycloak-security issue: Microsoft accounts login with tenant restriction can be bypassed via token exchange. A valid Microsoft token from a different organization could grant access to the Keycloak realm, exposing data or enabling unauthorized actions. Affected component is Keycloak’s Microsoft ...

CVE-2026-18215 Keycloak-services: keycloak-services: microsoft external access-token exchange bypasses configured tenant

Keycloak provides a way to let users log in using Microsoft accounts while restricting access to a specific organization tenant. A flaw was discovered where this restriction is ignored when using the token exchange feature. This means an attacker with a valid Microsoft token from a completely...

CVE-2026-18215

Keycloak provides a way to let users log in using Microsoft accounts while restricting access to a specific organization tenant. A flaw was discovered where this restriction is ignored when using the token exchange feature. This means an attacker with a valid Microsoft token from a completely...

CVE-2026-18215

Keycloak provides a way to let users log in using Microsoft accounts while restricting access to a specific organization tenant. A flaw was discovered where this restriction is ignored when using the token exchange feature. This means an attacker with a valid Microsoft token from a completely...

EUVD-2026-51478

A flaw was found in the TokenManager component of the Keycloak identity management service. When an administrator attempts to revoke tokens for a specific application client using a "not-before" policy, the revocation may be silently ignored if the overall security realm already has an older,...

CVE-2026-18218

The vulnerability CVE-2026-18218 affects Keycloak’s TokenManager component. When an administrator revokes tokens for a specific client under a not-before policy, revocation can be silently ignored if the realm’s overall not-before policy is older but non-zero. As a result, previously issued token...

CVE-2026-18218

A flaw was found in the TokenManager component of the Keycloak identity management service. When an administrator attempts to revoke tokens for a specific application client using a "not-before" policy, the revocation may be silently ignored if the overall security realm already has an older,...

CVE-2026-18218 Keycloak-services: keycloak-services: client not-before revocation ignored when realm not-before is older but nonzero

A flaw was found in the TokenManager component of the Keycloak identity management service. When an administrator attempts to revoke tokens for a specific application client using a "not-before" policy, the revocation may be silently ignored if the overall security realm already has an older,...

CVE-2026-56672

ComfyUI is a node-based diffusion model GUI, API, and backend. Prior to 0.28.0, GET /userdata/file served user-controlled HTML and SVG files with extension-derived content types, allowing stored cross-site scripting in the ComfyUI origin and access to browser-stored API tokens, settings, workflow...

CVE-2026-55502

Cloudreve is a self-hosted file management and sharing system. Prior to 4.17.0, POST /api/v4/admin/policy/oauth/signin requires only Admin.Read even though GetOauthRedirectService persists caller-supplied OneDrive secret and appid values, allowing an OAuth token without Admin.Write to modify...