CVE-2026-12985: URL Redirection to Untrusted Site

Mattermost versions 11.9.x = 11.9.0, 11.8.x = 11.8.4, 11.7.x = 11.7.7 Mattermost failed to validate Dynamic Client Registration redirect URIs by URL component matching glob patterns against the raw URI string instead which allows a remote unauthenticated attacker to register an OAuth client with ...

CVE-2026-89298 Keycloak-services: keycloak-services: confidential client secret disclosed to view-clients role via client registration get

A flaw was found in the Dynamic Client Registration service of Keycloak, an open-source identity and access management solution. The issue occurs when a user with the view-clients role accesses the client registration endpoint to retrieve client details. Due to a failure to mask sensitive...

CVE-2026-89298

A flaw was found in the Dynamic Client Registration service of Keycloak, an open-source identity and access management solution. The issue occurs when a user with the view-clients role accesses the client registration endpoint to retrieve client details. Due to a failure to mask sensitive...

CVE-2026-89298: Exposure of Sensitive Information to an Unauthorized Actor

A flaw was found in the Dynamic Client Registration service of Keycloak, an open-source identity and access management solution. The issue occurs when a user with the view-clients role accesses the client registration endpoint to retrieve client details. Due to a failure to mask sensitive...

PT-2026-89870

A flaw was found in the Dynamic Client Registration service of Keycloak, an open-source identity and access management solution. The issue occurs when a user with the view-clients role accesses the client registration endpoint to retrieve client details. Due to a failure to mask sensitive...

EEF-CVE-2026-82758 ash_authentication_oauth2_server treats an empty resolved secret as valid, opening the gated Dynamic Client Registration endpoint

Summary Improper Authentication vulnerability in ash-project ashauthenticationoauth2server allows an unauthenticated attacker to register OAuth clients even when Dynamic Client Registration is gated by an initial access token. resolvesecret/3 in AshAuthentication.Oauth2Server reached through...

CVE-2026-82758 ash_authentication_oauth2_server treats an empty resolved secret as valid, opening the gated Dynamic Client Registration endpoint

Improper Authentication vulnerability in ash-project ashauthenticationoauth2server allows an unauthenticated attacker to register OAuth clients even when Dynamic Client Registration is gated by an initial access token. resolvesecret/3 in AshAuthentication.Oauth2Server reached through resolvesecre...

CVE-2026-82758 ash_authentication_oauth2_server treats an empty resolved secret as valid, opening the gated Dynamic Client Registration endpoint

Improper Authentication vulnerability in ash-project ashauthenticationoauth2server allows an unauthenticated attacker to register OAuth clients even when Dynamic Client Registration is gated by an initial access token. resolvesecret/3 in AshAuthentication.Oauth2Server reached through resolvesecre...

CVE-2026-82758 ash_authentication_oauth2_server treats an empty resolved secret as valid, opening the gated Dynamic Client Registration endpoint

Improper Authentication vulnerability in ash-project ashauthenticationoauth2server allows an unauthenticated attacker to register OAuth clients even when Dynamic Client Registration is gated by an initial access token. resolvesecret/3 in AshAuthentication.Oauth2Server reached through resolvesecre...

PT-2026-86928

Improper Authentication vulnerability in ash-project ash authentication oauth2 server allows an unauthenticated attacker to register OAuth clients even when Dynamic Client Registration is gated by an initial access token. resolve secret/3 in AshAuthentication.Oauth2Server reached through resolve...

CVE-2026-82758: Improper Authentication

Improper Authentication vulnerability in ash-project ashauthenticationoauth2server allows an unauthenticated attacker to register OAuth clients even when Dynamic Client Registration is gated by an initial access token. resolvesecret/3 in AshAuthentication.Oauth2Server reached through resolvesecre...

CVE-2026-59354 Spring Security OAuth2 Authorization Server: Insufficient validation of Dynamic Client Registration metadata

In versions of Spring Security's OAuth2 Authorization Server module 7.0.0 through 7.0.4, when Dynamic Client Registration is explicitly enabled, the registration endpoint performs insufficient validation of certain client metadata fields supplied by the registering client. An attacker who possess...

EUVD-2026-66977

In versions of Spring Security's OAuth2 Authorization Server module 7.0.0 through 7.0.4, when Dynamic Client Registration is explicitly enabled, the registration endpoint performs insufficient validation of certain client metadata fields supplied by the registering client. An attacker who possess...

CVE-2026-59354 Spring Security OAuth2 Authorization Server: Insufficient validation of Dynamic Client Registration metadata

In versions of Spring Security's OAuth2 Authorization Server module 7.0.0 through 7.0.4, when Dynamic Client Registration is explicitly enabled, the registration endpoint performs insufficient validation of certain client metadata fields supplied by the registering client. An attacker who possess...

CVE-2026-59354

Spring Security's OAuth2 Authorization Server module (versions 7.0.0 through 7.0.4 ) is affected by insufficient validation of client metadata fields at the Dynamic Client Registration endpoint. When Dynamic Client Registration is explicitly enabled, an attacker holding a valid Initial Access Tok...

CVE-2026-59354: Improper Input Validation

In versions of Spring Security's OAuth2 Authorization Server module 7.0.0 through 7.0.4, when Dynamic Client Registration is explicitly enabled, the registration endpoint performs insufficient validation of certain client metadata fields supplied by the registering client. An attacker who possess...

Linux Distros Unpatched Vulnerability : CVE-2026-44476

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

Linux Distros Unpatched Vulnerability : CVE-2026-70665

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Doorkeeper OpenID Connect implements an OpenID Connect authentication provider for Rails applications on top of Doorkeeper. Prior to 1.10.4, the Dynamic Client...

DEBIAN-CVE-2026-70665

Doorkeeper OpenID Connect implements an OpenID Connect authentication provider for Rails applications on top of Doorkeeper. Prior to 1.10.4, the Dynamic Client Registration DCR endpoint persists client-supplied scopes without validating them against the server's configured scope set. Under certai...

CVE-2026-70665

Doorkeeper OpenID Connect implements an OpenID Connect authentication provider for Rails applications on top of Doorkeeper. Prior to 1.10.4, the Dynamic Client Registration DCR endpoint persists client-supplied scopes without validating them against the server's configured scope set. Under certai...