CVE-2026-55549 Yamcs: Reflected XSS in the URL of the Authorize Endpoint

Yamcs is a mission control framework. Prior to 5.9.4, Yamcs reflects an attacker-controlled redirecturi parameter from GET /auth/authorize into yamcs-core/src/main/resources/auth/templates/authorize.html without adequate HTML escaping by yamcs-core/src/main/java/org/yamcs/http/auth/AuthHandler.ja...

CVE-2026-59355

In versions of Spring Authorization Server 1.5.0 through 1.5.7, the authorization endpoint performs insufficient validation of the requesturi parameter. An attacker can craft a request containing an invalid requesturi paired with an unvalidated redirecturi, which can result in an open redirect to...

CVE-2026-59355

Spring Authorization Server versions 1.5.0 through 1.5.7 are affected by an open redirect vulnerability in the authorization endpoint . The root cause is insufficient validation of the request_uri parameter : an attacker can craft a request containing an invalid request_uri paired with an unvalid...

CVE-2026-59355 Spring Authorization Server: Open Redirect via request_uri parameter

In versions of Spring Authorization Server 1.5.0 through 1.5.7, the authorization endpoint performs insufficient validation of the requesturi parameter. An attacker can craft a request containing an invalid requesturi paired with an unvalidated redirecturi, which can result in an open redirect to...

Security Bulletin: Uncontrolled resource consumption in the Consul Connect authorization endpoint

Summary Consul Community Edition and Consul Enterprise 1.17.0 through 2.0.2 are vulnerable to an uncontrolled resource consumption issue in the Connect authorization endpoint that may allow a caller to grow the agent's intention-match cache without bound, defeating the operator's cache-disable...

CVE-2026-19014

Consul Community Edition and Consul Enterprise 1.17.0 through 2.0.2 are vulnerable to an uncontrolled resource consumption issue in the Connect authorization endpoint that may allow a caller to grow the agent's intention-match cache without bound, defeating the operator's cache-disable...

EUVD-2026-54607

Consul Community Edition and Consul Enterprise 1.17.0 through 2.0.2 are vulnerable to an uncontrolled resource consumption issue in the Connect authorization endpoint that may allow a caller to grow the agent's intention-match cache without bound, defeating the operator's cache-disable...

CVE-2026-19014

CVE-2026-19014 affects Consul Community Edition and Consul Enterprise 1.17.0–2.0.2, where an uncontrolled resource consumption in the Connect authorization endpoint can grow the agent’s intention-match cache beyond bounds, bypassing cache-disable settings. Fixed in Consul 2.0.3 and Consul Enterpr...

CVE-2026-19014 Uncontrolled resource consumption in the Consul Connect authorization endpoint

Consul Community Edition and Consul Enterprise 1.17.0 through 2.0.2 are vulnerable to an uncontrolled resource consumption issue in the Connect authorization endpoint that may allow a caller to grow the agent's intention-match cache without bound, defeating the operator's cache-disable...

CVE-2026-19014 Uncontrolled resource consumption in the Consul Connect authorization endpoint

Consul Community Edition and Consul Enterprise 1.17.0 through 2.0.2 are vulnerable to an uncontrolled resource consumption issue in the Connect authorization endpoint that may allow a caller to grow the agent's intention-match cache without bound, defeating the operator's cache-disable...

CVE-2026-70556

Hubzilla versions prior to 11.4 contains a cross-site request forgery vulnerability in the OAuth2 /authorize endpoint handled by Zotlabs\Module\Authorize::post that allows unauthenticated attackers to register arbitrary OAuth2 applications under an authenticated user's account by submitting a...

SUSE CVE-2026-47203

Authelia is an open-source authentication and authorization server providing two-factor authentication and single sign-on SSO for applications via a web portal. In versions 4.38.0 through 4.39.19, when a user authenticates via Basic Auth i.e via the Authorization header with the Basic scheme on t...

PT-2026-66461

A flaw was found in koku-metrics-operator. The operator's CostManagementMetricsConfig custom resource allows a user able to edit the CR to specify an arbitrary OAuth token endpoint. When authentication.type is set to service-account, the operator sends the tenant's Red Hat SSO client id and clien...

EUVD-2026-50124

A pre-authentication blind SQL injection vulnerability in Koollab LMS allowed an unauthenticated attacker to use a time-based SQL oracle via the SSO OAuth endpoint to read sensitive database contents, including personally identifiable information, credentials, and valid JWT tokens that may enable...

EUVD-2026-47907

The MountDev AI MCP Connector for WordPress plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 1.6.1. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers...

CVE-2026-15015 MountDev AI MCP Connector for WordPress <= 1.6.1 - Unauthenticated Privilege Escalation via OAuth Authorization Endpoint

The MountDev AI MCP Connector for WordPress plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 1.6.1. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers...

GHSA-H29V-HJ44-Q8CV Authorizer: Unvalidated redirect_uri in /authorize leaks OAuth2 tokens to attacker-controlled URL

Summary The /authorize endpoint accepts any redirecturi without validating it against AllowedOrigins. When responsetype=token or responsetype=idtoken, the server appends accesstoken, idtoken, and refreshtoken as query parameters and issues a 302 redirect to the attacker-supplied URL. An...

PYSEC-2026-2119

Authlib is a Python library which builds OAuth and OpenID Connect servers. Prior to 1.6.10 and 1.7.1, Authlib's OAuth 2.0 authorization endpoint can be turned into an unauthenticated open redirect when a request uses an unsupported responsetype and supplies an attacker-controlled redirecturi. The...

UBUNTU-CVE-2026-41479

Authlib is a Python library which builds OAuth and OpenID Connect servers. Prior to 1.6.10 and 1.7.1, Authlib's OAuth 2.0 authorization endpoint can be turned into an unauthenticated open redirect when a request uses an unsupported responsetype and supplies an attacker-controlled redirecturi. The...

CVE-2026-41479 Authlib OAuth 2.0 authorization endpoint open redirects to attacker-controlled redirect_uri on unsupported response_type

Authlib is a Python library which builds OAuth and OpenID Connect servers. Prior to 1.6.10 and 1.7.1, Authlib's OAuth 2.0 authorization endpoint can be turned into an unauthenticated open redirect when a request uses an unsupported responsetype and supplies an attacker-controlled redirecturi. The...