CVE-2026-81921 In Concrete CMS 8.5.3 to 9,5,2, OAuth 2.0 Refresh-Token Grant Bypasses Account Status

Concrete CMS 8.5.3 through 9.5.2 enabled the OAuth 2.0 refresh-token grant using the unmodified upstream League grant, which issued new access tokens from a valid refresh token without re-checking the associated account's active status. A user who obtained a refresh token while active could...

CVE-2026-81921 In Concrete CMS 8.5.3 to 9,5,2, OAuth 2.0 Refresh-Token Grant Bypasses Account Status

Concrete CMS 8.5.3 through 9.5.2 enabled the OAuth 2.0 refresh-token grant using the unmodified upstream League grant, which issued new access tokens from a valid refresh token without re-checking the associated account's active status. A user who obtained a refresh token while active could...

CVE-2026-81921 In Concrete CMS 8.5.3 to 9,5,2, OAuth 2.0 Refresh-Token Grant Bypasses Account Status

Concrete CMS 8.5.3 through 9.5.2 enabled the OAuth 2.0 refresh-token grant using the unmodified upstream League grant, which issued new access tokens from a valid refresh token without re-checking the associated account's active status. A user who obtained a refresh token while active could...

EUVD-2026-79287

Concrete CMS 8.5.3 through 9.5.2 enabled the OAuth 2.0 refresh-token grant using the unmodified upstream League grant, which issued new access tokens from a valid refresh token without re-checking the associated account's active status. A user who obtained a refresh token while active could...

CVE-2026-81921

Concrete CMS versions 8.5.3 through 9.5.2 are affected by an OAuth 2.0 refresh-token grant flaw. The unmodified upstream League grant issued new access tokens from a valid refresh token without re-checking the associated account's active status . Consequently, a user who obtained a refresh token ...

CVE-2026-55375

canto-saas-api is a PHP library for interacting with the Canto SaaS API. Prior to version 3.0.0, OAuth2Request::getQueryParams places appid, appsecret, refreshtoken, and code in the URL query string of token POST requests, allowing access logs, proxy logs, and APM traces to persist the credential...

CVE-2026-18115

Concrete CMS 9.2.0 to 9.5.2 did not enforce per-field edituserproperties permissions on the REST API user write endpoints PUT /ccm/api/1.0/users/uID and POST /ccm/api/1.0/users/uID/changepassword. A user with an update-scoped OAuth token and permission to edit only one non-sensitive field could...

CVE-2026-18115 In Concrete CMS 9.2.0 to 9.5.2, Missing Authorization in REST API Users update() and change_password Enables Account Takeover.

Concrete CMS 9.2.0 to 9.5.2 did not enforce per-field edituserproperties permissions on the REST API user write endpoints PUT /ccm/api/1.0/users/uID and POST /ccm/api/1.0/users/uID/changepassword. A user with an update-scoped OAuth token and permission to edit only one non-sensitive field could...

CVE-2026-18115

Concrete CMS versions 9.2.0 through 9.5.2 fail to enforce per-field edit_user_properties permissions on the REST API user write endpoints (PUT /ccm/api/1.0/users/{uID} and POST /ccm/api/1.0/users/{uID}/change_password). An authenticated user holding an update-scoped OAuth token and permission to ...

EUVD-2026-78913

Concrete CMS 9.2.0 to 9.5.2 did not enforce per-field edituserproperties permissions on the REST API user write endpoints PUT /ccm/api/1.0/users/uID and POST /ccm/api/1.0/users/uID/changepassword. A user with an update-scoped OAuth token and permission to edit only one non-sensitive field could...

CVE-2026-18115 In Concrete CMS 9.2.0 to 9.5.2, Missing Authorization in REST API Users update() and change_password Enables Account Takeover.

Concrete CMS 9.2.0 to 9.5.2 did not enforce per-field edituserproperties permissions on the REST API user write endpoints PUT /ccm/api/1.0/users/uID and POST /ccm/api/1.0/users/uID/changepassword. A user with an update-scoped OAuth token and permission to edit only one non-sensitive field could...

CVE-2026-18115 In Concrete CMS 9.2.0 to 9.5.2, Missing Authorization in REST API Users update() and change_password Enables Account Takeover.

Concrete CMS 9.2.0 to 9.5.2 did not enforce per-field edituserproperties permissions on the REST API user write endpoints PUT /ccm/api/1.0/users/uID and POST /ccm/api/1.0/users/uID/changepassword. A user with an update-scoped OAuth token and permission to edit only one non-sensitive field could...

EUVD-2026-78902

canto-saas-api is a PHP library for interacting with the Canto SaaS API. Prior to version 3.0.0, OAuth2Request::getQueryParams places appid, appsecret, refreshtoken, and code in the URL query string of token POST requests, allowing access logs, proxy logs, and APM traces to persist the credential...

CVE-2026-55375 canto-saas-api: OAuth credentials exposed in URL query string and exception messages

canto-saas-api is a PHP library for interacting with the Canto SaaS API. Prior to version 3.0.0, OAuth2Request::getQueryParams places appid, appsecret, refreshtoken, and code in the URL query string of token POST requests, allowing access logs, proxy logs, and APM traces to persist the credential...

CVE-2026-55375 canto-saas-api: OAuth credentials exposed in URL query string and exception messages

canto-saas-api is a PHP library for interacting with the Canto SaaS API. Prior to version 3.0.0, OAuth2Request::getQueryParams places appid, appsecret, refreshtoken, and code in the URL query string of token POST requests, allowing access logs, proxy logs, and APM traces to persist the credential...

CVE-2026-55375 canto-saas-api: OAuth credentials exposed in URL query string and exception messages

canto-saas-api is a PHP library for interacting with the Canto SaaS API. Prior to version 3.0.0, OAuth2Request::getQueryParams places appid, appsecret, refreshtoken, and code in the URL query string of token POST requests, allowing access logs, proxy logs, and APM traces to persist the credential...

CVE-2026-91972 Vikunja before 2.6.0 Authentication Bypass via Unthrottled API

Vikunja versions before 2.6.0 fail to apply rate limiting to /api/v2 public authentication endpoints including login, register, password-reset, and OAuth token routes. Remote unauthenticated attackers can perform unbounded credential guessing, account enumeration, and password-reset flooding...

CVE-2026-49254

Dragonfly is an open source P2P-based file distribution and image acceleration system. Prior to 2.4.4, manager/router/router.go registers GET /api/v1/oauth and GET /api/v1/oauth/:id without jwt.MiddlewareFunc or RBAC, while manager/handlers/oauth.go returns models.Oauth records and...

CVE-2026-49254 Dragonfly Manager OAuth provider client_secret disclosure via unauthenticated GET /api/v1/oauth

Dragonfly is an open source P2P-based file distribution and image acceleration system. Prior to 2.4.4, manager/router/router.go registers GET /api/v1/oauth and GET /api/v1/oauth/:id without jwt.MiddlewareFunc or RBAC, while manager/handlers/oauth.go returns models.Oauth records and...

CVE-2026-49254

Dragonfly Manager (an open-source P2P file distribution system) exposes the OAuth client_secret to unauthenticated clients via GET /api/v1/oauth and GET /api/v1/oauth/:id. The root cause is missing JWT and RBAC middleware on these two GET routes in manager/router/router.go, while the sibling POST...