Keycloak 26.7.3 <= 26.8.0 User Session Note Mapper Access Token Exposure (CVE-2026-105302)

The version of Keycloak installed on the remote host is 26.7.3 through 26.8.0. It is, therefore, affected by a vulnerability where a User Session Note protocol mapper can expose upstream identity provider access tokens to managed clients, allowing a client to obtain a token it was not intended to...

CVE-2026-105302

A flaw was found in the User Session Note mapper of the Keycloak identity and access management solution. The issue occurs because the mapper does not validate whether a requested session note contains sensitive internal credentials, such as federated access tokens from external identity provider...

CVE-2026-105302

A flaw in the User Session Note mapper of the Keycloak identity and access management solution allows for the exposure of sensitive internal credentials. The mapper fails to validate if a requested session note contains federated access tokens from external identity providers. Consequently, a del...

EUVD-2026-92257

A flaw was found in the User Session Note mapper of the Keycloak identity and access management solution. The issue occurs because the mapper does not validate whether a requested session note contains sensitive internal credentials, such as federated access tokens from external identity provider...

CVE-2026-105302 Keycloak-services: keycloak-services: user session note mapper exposes upstream idp access tokens

A flaw was found in the User Session Note mapper of the Keycloak identity and access management solution. The issue occurs because the mapper does not validate whether a requested session note contains sensitive internal credentials, such as federated access tokens from external identity provider...

CVE-2026-105302 Keycloak-services: keycloak-services: user session note mapper exposes upstream idp access tokens

A flaw was found in the User Session Note mapper of the Keycloak identity and access management solution. The issue occurs because the mapper does not validate whether a requested session note contains sensitive internal credentials, such as federated access tokens from external identity provider...

CVE-2026-105302

A flaw was found in the User Session Note mapper of the Keycloak identity and access management solution. The issue occurs because the mapper does not validate whether a requested session note contains sensitive internal credentials, such as federated access tokens from external identity provider...

PT-2026-104727

A flaw was found in the User Session Note mapper of the Keycloak identity and access management solution. The issue occurs because the mapper does not validate whether a requested session note contains sensitive internal credentials, such as federated access tokens from external identity provider...

CVE-2026-105302: Exposure of Sensitive Information to an Unauthorized Actor

A flaw was found in the User Session Note mapper of the Keycloak identity and access management solution. The issue occurs because the mapper does not validate whether a requested session note contains sensitive internal credentials, such as federated access tokens from external identity provider...