CVE-2026-86466: Origin Validation Error

Apache Airflow FAB provider: the Authentik OAuth path in the FAB auth manager does not validate the issuer or audience claims of the idtoken it accepts. An attacker holding a token that the same Authentik identity provider minted for a different client application can present it to Airflow and be...

OAuth access token hijacking via callback URL manipulation in atlassian-bitbucket-server-integration

atlassian-bitbucket-server-integration implements an OAuth provider for Bitbucket Server. The OAuth authorization endpoint in atlassian-bitbucket-server-integration 6.0.1 and earlier reads the oauthcallback URL from the submitted form rather than from the server-side stored request token. An...

CVE-2026-92527: Server-Side Request Forgery (SSRF)

A vulnerability has been found in chatwoot up to 4.17.1. This impacts an unknown function of the file callbackscontroller.rb of the component Shopify OAuth. The manipulation leads to server-side request forgery. Remote exploitation of the attack is possible. The exploit has been disclosed to the...

Characterizing Network Centralization and Observability in the Remote MCP Ecosystem

The Model Context Protocol MCP has emerged as the dominant interface for connecting autonomous agents to external data sources and execution environments. The ecosystem's transition from local process execution to remote Streamable HTTP deployments introduces unmeasured architectural and security...

PT-2026-93788

Name of the Vulnerable Software and Affected Versions rmcp versions prior to 2.0.0 Description The OAuth implementation in the rmcp crate fails to validate the resource parameter in OAuth Protected Resource metadata as required by RFC 9728. Specifically, the ResourceServerMetadata struct omits th...

CVE-2026-81921

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 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

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...

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...