CVE-2026-18211

A flaw was found in the secure-client-uris client policy executor within Keycloak core services. This component is responsible for enforcing security requirements on client configurations, such as requiring encrypted connections for redirect URIs. Due to an improper check that only looks at the...

CVE-2026-18211

CVE-2026-18211 affects Keycloak core services, specifically the secure-client-uris policy executor. Affected component enforces security requirements on client configurations (e.g., redirect URIs) but contains an improper check that only inspects the start of a URL rather than validating the host...

CVE-2026-18211 Keycloak-services: keycloak-services: secure-client-uris policy bypass via localhost-prefixed domains

A flaw was found in the secure-client-uris client policy executor within Keycloak core services. This component is responsible for enforcing security requirements on client configurations, such as requiring encrypted connections for redirect URIs. Due to an improper check that only looks at the...

CVE-2026-18211 Keycloak-services: keycloak-services: secure-client-uris policy bypass via localhost-prefixed domains

A flaw was found in the secure-client-uris client policy executor within Keycloak core services. This component is responsible for enforcing security requirements on client configurations, such as requiring encrypted connections for redirect URIs. Due to an improper check that only looks at the...

Improperly Implemented Security Check for Standard

Overview org.keycloak:keycloak-services is an open source identity and access management solution for modern applications and services. Affected versions of this package are vulnerable to Improperly Implemented Security Check for Standard through the secure-client-uris client policy executor in t...