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-2026-41164

nuts-node is the reference implementation of the Nuts specification. Prior to 6.2.3 and 5.4.31, the v1 access token introspection endpoint /auth/v1/introspectaccesstoken accepts any JWT signed by a key present on the node, without validating the JWT type, issuer-to-key binding, or required claims...