CVE-2026-44506

Medplum , a developer platform for healthcare apps, had a flaw in versions 4.1.10 through 5.1.6 affecting self-hosted configurations . The /oauth2/register endpoint (OAuth dynamic registration) could return the client_secret of preconfigured OAuth clients defined via the defaultOAuthClients serve...

CVE-2026-44506 Medplum - Exposure of OAuth client secret via dynamic registration endpoint in self-hosted configurations

Medplum is a developer platform that enables development of healthcare apps. In Medplum versions 4.1.10 through 5.1.6, the /oauth2/register endpoint could return the clientsecret of preconfigured OAuth clients defined via the defaultOAuthClients server configuration when a matching redirecturi wa...

CVE-2026-44476 Doorkeeper OpenID Connect: Dynamic Client Registration feature creates public clients with client_secret

Doorkeeper is an OAuth 2 provider for Ruby on Rails. In version 1.9.0, an attacker who knows only a dynamically registered client's clientid, which is public information, can authenticate as that client at the token endpoint and obtain an access token without providing its clientsecret. This occu...

CVE-2026-44476

doorkeeper-openid_connect (an OpenID Connect extension for the Doorkeeper OAuth 2 gem in Ruby on Rails) is affected in version 1.9.0 . The root cause is in DynamicClientRegistrationController#register, which hard-codes confidential: false when creating dynamically registered applications, yet sti...

CVE-2026-44476 Doorkeeper OpenID Connect: Dynamic Client Registration feature creates public clients with client_secret

Doorkeeper is an OAuth 2 provider for Ruby on Rails. In version 1.9.0, an attacker who knows only a dynamically registered client's clientid, which is public information, can authenticate as that client at the token endpoint and obtain an access token without providing its clientsecret. This occu...

CVE-2026-44476 Doorkeeper OpenID Connect: Dynamic Client Registration feature creates public clients with client_secret

Doorkeeper is an OAuth 2 provider for Ruby on Rails. In version 1.9.0, an attacker who knows only a dynamically registered client's clientid, which is public information, can authenticate as that client at the token endpoint and obtain an access token without providing its clientsecret. This occu...

CVE-2026-59655

Apache CloudStack's OAuth authentication plugin exposes OAuth provider client secrets to unauthenticated actors when listing OAuth providers. This information disclosure vulnerability affects versions 4.19.0.0 through 4.20.3.0 and 4.21.0.0 through 4.22.1.0 , and is rated CVSS 7.5 (HIGH) with a ne...

keycloak-services: keycloak-services: Vault-resolved rotated client secrets leaked via Admin REST API

A flaw was found in the Keycloak Admin REST API, which is used to manage security realms and clients. The issue occurs when the system processes requests for rotated client secrets that are stored in a secure vault. Due to improper boundary enforcement, a delegated administrator with view-only...

CVE-2026-23922

The email media OAuth field 'Client secret' cannot be read after saving, but a Super Admin can leak it by setting a malicious 'Token endpoint'. Changes were made to reset the client secret upon changing the token endpoint...

CVE-2026-23922

The email media OAuth field 'Client secret' cannot be read after saving, but a Super Admin can leak it by setting a malicious 'Token endpoint'. Changes were made to reset the client secret upon changing the token endpoint...

CVE-2026-23922

The email media OAuth field 'Client secret' cannot be read after saving, but a Super Admin can leak it by setting a malicious 'Token endpoint'. Changes were made to reset the client secret upon changing the token endpoint...

UBUNTU-CVE-2026-23922

The email media OAuth field 'Client secret' cannot be read after saving, but a Super Admin can leak it by setting a malicious 'Token endpoint'. Changes were made to reset the client secret upon changing the token endpoint...

CVE-2026-23922

Zabbix contains a vulnerability in the email media OAuth configuration where the 'Client secret' field cannot normally be read after saving. However, a Super Admin can disclose (and modify) the client secret by setting a malicious Token endpoint . The fix resets the client secret whenever the tok...

CVE-2026-23922

The email media OAuth field 'Client secret' cannot be read after saving, but a Super Admin can leak it by setting a malicious 'Token endpoint'. Changes were made to reset the client secret upon changing the token endpoint...

CVE-2026-23922 Email media OAuth secret leak to Super Admin

The email media OAuth field 'Client secret' cannot be read after saving, but a Super Admin can leak it by setting a malicious 'Token endpoint'. Changes were made to reset the client secret upon changing the token endpoint...

EUVD-2026-60731

The email media OAuth field 'Client secret' cannot be read after saving, but a Super Admin can leak it by setting a malicious 'Token endpoint'. Changes were made to reset the client secret upon changing the token endpoint...

PT-2026-76955

The email media OAuth field 'Client secret' cannot be read after saving, but a Super Admin can leak it by setting a malicious 'Token endpoint'. Changes were made to reset the client secret upon changing the token endpoint...

github.com/prometheus/prometheus: Prometheus: Information disclosure of Azure OAuth client secret via config API

A flaw was found in Prometheus, an open-source monitoring system. The clientsecret field within the Azure Active Directory AD remote write OAuth configuration was incorrectly handled as a plain string instead of a secure Secret type. This misconfiguration allowed any user or process with access t...

github.com/prometheus/prometheus: Prometheus: Information disclosure of Azure OAuth client secret via config API

A flaw was found in Prometheus, an open-source monitoring system. The clientsecret field within the Azure Active Directory AD remote write OAuth configuration was incorrectly handled as a plain string instead of a secure Secret type. This misconfiguration allowed any user or process with access t...

github.com/prometheus/prometheus: Prometheus: Information disclosure of Azure OAuth client secret via config API

A flaw was found in Prometheus, an open-source monitoring system. The clientsecret field within the Azure Active Directory AD remote write OAuth configuration was incorrectly handled as a plain string instead of a secure Secret type. This misconfiguration allowed any user or process with access t...