CVE-2026-107623

A flaw was found in the OIDC Dynamic Client Registration DCR component of Keycloak. A bug in the response serialization causes the backchannel logout offline token revocation setting to be omitted from responses. When a client performs a standard update, this missing information causes the settin...

CVE-2026-107623 Keycloak-services: keycloak-services: oidc dcr read-modify-write silently disables offline token revocation

A flaw was found in the OIDC Dynamic Client Registration DCR component of Keycloak. A bug in the response serialization causes the backchannel logout offline token revocation setting to be omitted from responses. When a client performs a standard update, this missing information causes the settin...

CVE-2026-107623

A flaw exists in the OIDC Dynamic Client Registration (DCR) component of Keycloak . A bug in the response serialization causes the backchannel logout offline token revocation setting to be omitted from responses. When a client performs a standard update, this missing information causes the settin...

CVE-2026-107604

A flaw in the Keycloak identity management service allows a realm administrator with the read-only view-clients role to retrieve the active primary secret of any confidential client. This occurs via the installation provider and client registration endpoints. The exposed secret can be used to imp...

EUVD-2026-95033

A flaw was found in the installation provider and client registration endpoints of the Keycloak identity management service. A realm administrator with only the read-only view-clients role can access the active primary secret of any confidential client, which should normally be restricted. This...

CVE-2026-107604

A flaw was found in the installation provider and client registration endpoints of the Keycloak identity management service. A realm administrator with only the read-only view-clients role can access the active primary secret of any confidential client, which should normally be restricted. This...

CVE-2026-107604 Keycloak-services: keycloak-services: view-clients role allows retrieval of active client secrets via installation provider endpoints

A flaw was found in the installation provider and client registration endpoints of the Keycloak identity management service. A realm administrator with only the read-only view-clients role can access the active primary secret of any confidential client, which should normally be restricted. This...

CVE-2026-107623

A flaw was found in the OIDC Dynamic Client Registration DCR component of Keycloak. A bug in the response serialization causes the backchannel logout offline token revocation setting to be omitted from responses. When a client performs a standard update, this missing information causes the settin...

CVE-2026-107604

A flaw was found in the installation provider and client registration endpoints of the Keycloak identity management service. A realm administrator with only the read-only view-clients role can access the active primary secret of any confidential client, which should normally be restricted. This...

Exploit for CVE-2026-18963

CVE-2026-18963: Keycloak reset-credentials flow bypass Unauth...

CVE-2026-107623: Missing Authorization

A flaw was found in the OIDC Dynamic Client Registration DCR component of Keycloak. A bug in the response serialization causes the backchannel logout offline token revocation setting to be omitted from responses. When a client performs a standard update, this missing information causes the settin...

CVE-2026-107604: Exposure of Sensitive Information to an Unauthorized Actor

A flaw was found in the installation provider and client registration endpoints of the Keycloak identity management service. A realm administrator with only the read-only view-clients role can access the active primary secret of any confidential client, which should normally be restricted. This...

CVE-2026-107121

A flaw was found in the SMTP email configuration handling of the keycloak-services component. When the STARTTLS option is enabled, Keycloak fails to strictly enforce an encrypted connection, allowing it to fall back to unencrypted communication if the encryption request is tampered with. An...

CVE-2026-107121

A flaw exists in the SMTP email configuration handling of the keycloak-services component. When the STARTTLS option is enabled, the system fails to strictly enforce encrypted connections, allowing a downgrade to unencrypted communication if the encryption request is tampered with. An attacker cap...

EUVD-2026-94213

A flaw was found in the SMTP email configuration handling of the keycloak-services component. When the STARTTLS option is enabled, Keycloak fails to strictly enforce an encrypted connection, allowing it to fall back to unencrypted communication if the encryption request is tampered with. An...

CVE-2026-107121 Keycloak-services: keycloak-services: smtp starttls plaintext credential and message downgrade

A flaw was found in the SMTP email configuration handling of the keycloak-services component. When the STARTTLS option is enabled, Keycloak fails to strictly enforce an encrypted connection, allowing it to fall back to unencrypted communication if the encryption request is tampered with. An...

CVE-2026-107121 Keycloak-services: keycloak-services: smtp starttls plaintext credential and message downgrade

A flaw was found in the SMTP email configuration handling of the keycloak-services component. When the STARTTLS option is enabled, Keycloak fails to strictly enforce an encrypted connection, allowing it to fall back to unencrypted communication if the encryption request is tampered with. An...

CVE-2026-107121

A flaw was found in the SMTP email configuration handling of the keycloak-services component. When the STARTTLS option is enabled, Keycloak fails to strictly enforce an encrypted connection, allowing it to fall back to unencrypted communication if the encryption request is tampered with. An...

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-2026-107121: Cleartext Transmission of Sensitive Information

A flaw was found in the SMTP email configuration handling of the keycloak-services component. When the STARTTLS option is enabled, Keycloak fails to strictly enforce an encrypted connection, allowing it to fall back to unencrypted communication if the encryption request is tampered with. An...