CVE-2026-86075

n8n is an open source workflow automation platform. Prior to 2.37.7 and 2.38.2, the OAuth Dynamic Client Registration endpoint bounded redirecturis but accepted arbitrarily large clientname and granttypes values. An unauthenticated remote caller could repeatedly persist oversized values in...

CVE-2026-86075 n8n: Unauthenticated Persistent Storage Exhaustion via OAuth Dynamic Client Registration Endpoint

n8n is an open source workflow automation platform. Prior to 2.37.7 and 2.38.2, the OAuth Dynamic Client Registration endpoint bounded redirecturis but accepted arbitrarily large clientname and granttypes values. An unauthenticated remote caller could repeatedly persist oversized values in...

CVE-2024-11680_PoC_Exploit

CVE-2024-11680 PoC Exploit This repository contains a Proof of Concept PoC exploit for CVE-2024-11680, a critical vulnerability in ProjectSend r1605 and older versions. The exploit targets an improper authentication flaw due Privilege Misconfiguration issues. Features Exploits improper auth to...

CVE-2026-82758

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...

EUVD-2026-72540

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 (ash-project, Elixir) has an Improper Authentication flaw in resolve_secret/3: any secret-provider return other than {:ok, _} or :error was treated as valid, wrapping nil, false, or "" as {:ok, value}. When the initial_access_token resolves to such an empty value,...

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...

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-2025-12028

1 Start a simple HTTP server to host the proof-of-concept page root@kitploit: mkdir -p /tmp/attacker && cd /tmp/attacker php -S 127.0.0.1:8000 2 Create a file /tmp/attacker/poc.html with the following contents root@kitploit: document.getElementById'x'.submit;...

BIT-KEYCLOAK-2026-18570 Keycloak-services: keycloak-services: full-scope-disabled client policy validation bypass via omitted fullscopeallowed

A flaw was found in the full-scope-disabled client-policy executor within the keycloak-services component. This component is responsible for enforcing security policies during client registration and configuration in Red Hat Build of Keycloak. The issue occurs because the executor only validates...

CVE-2026-61466

A flaw was found in Apache CXF. The OAuth2 Dynamic Client Registration endpoint in Apache CXF does not properly validate the scope value provided during client registration. This oversight allows a malicious client to assign itself privileged access scopes, potentially leading to unauthorized...

CVE-2026-59354

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...

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'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...

PT-2026-82446

Name of the Vulnerable Software and Affected Versions Spring Security OAuth2 Authorization Server versions 7.0.0 through 7.0.4 Description When Dynamic Client Registration is enabled, the registration endpoint does not sufficiently validate certain client metadata fields provided by the registeri...

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...