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;...

n8n: Unauthenticated Persistent Storage Exhaustion via OAuth Dynamic Client Registration Endpoint

Impact The OAuth Dynamic Client Registration endpoints validated field sizes only for redirecturis, leaving clientname and granttypes bounded by presence checks alone. An unauthenticated remote caller could submit arbitrarily large values in either field and have them persisted to the database...

CVE-2026-86754

Snipe-IT versions prior to 8.7.0 fail to properly gate Laravel Passport's OAuth client management routes , allowing any authenticated user to register OAuth clients with attacker-controlled redirect URIs. An attacker can trick an administrator into approving a consent screen, then exchange the re...

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-2026-78627

The Okta Hyperdrive Integration installer does not mask the OAuth client secret when passed as an MSI property. The credential is recorded in plaintext in the installer log, the Application Event Log, and the process command line, all of which are readable by an authenticated local user on the...

EUVD-2026-74176

The Okta Hyperdrive Integration installer does not mask the OAuth client secret when passed as an MSI property. The credential is recorded in plaintext in the installer log, the Application Event Log, and the process command line, all of which are readable by an authenticated local user on the...

CVE-2026-78627

Okta Hyperdrive Integration installer exposes the OAuth client secret in plaintext when it is passed as an MSI property. The credential is recorded in three locations readable by an authenticated local user: the installer log , the Application Event Log , and the process command line . The CVSS 3...

CVE-2026-78627 Improper Credential Protection in Okta Hyperdrive Integration Installer Logging

The Okta Hyperdrive Integration installer does not mask the OAuth client secret when passed as an MSI property. The credential is recorded in plaintext in the installer log, the Application Event Log, and the process command line, all of which are readable by an authenticated local user on the...

CVE-2026-80219 Hawtio-operator: hawtio-operator: oauthclient created with grantmethod auto and no secret enables oauth token theft

A flaw was found in hawtio-operator. When deploying Hawtio in cluster mode, the operator creates a cluster-scoped OAuthClient with automatic grant approval GrantMethod: auto and no client secret public client. The redirect URIs are derived from the operator-created Route, whose hostname is...

oauth-client-exploit

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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-2026-44506

Medplum , a developer platform for healthcare apps, had a flaw in versions 4.1.10 through 5.1.6 affecting self-hosted configurations . The /oauth2/register endpoint (OAuth dynamic registration) could return the client_secret of preconfigured OAuth clients defined via the defaultOAuthClients serve...

CVE-2026-44506 Medplum - Exposure of OAuth client secret via dynamic registration endpoint in self-hosted configurations

Medplum is a developer platform that enables development of healthcare apps. In Medplum versions 4.1.10 through 5.1.6, the /oauth2/register endpoint could return the clientsecret of preconfigured OAuth clients defined via the defaultOAuthClients server configuration when a matching redirecturi wa...

CVE-2026-44506 Medplum - Exposure of OAuth client secret via dynamic registration endpoint in self-hosted configurations

Medplum is a developer platform that enables development of healthcare apps. In Medplum versions 4.1.10 through 5.1.6, the /oauth2/register endpoint could return the clientsecret of preconfigured OAuth clients defined via the defaultOAuthClients server configuration when a matching redirecturi wa...

CVE-2026-79786 Coroot 1.20.2 through 1.24.5 Unvalidated Redirect URI in MCP OAuth Client Registration

Coroot's unauthenticated MCP OAuth dynamic client registration endpoint accepts any syntactically valid redirect URI without validation, allowing attackers to register clients pointing to attacker-controlled hosts. Attackers can send authorization URLs to signed-in users, capture their...

CVE-2026-77995

Joomla Extension - miniorange.com - Arbitrary account takeover in miniOrange OAuth Client 3.2.0, OAuth Single Sign-On – OIDC SSO 1.2.2, Login with Keycloak OAuth Single Sign-On SSO 1.2.2, Single Sign-On for Educational Institutes 1.2.2 - The manipulation of a cookie value allows actors to login a...

EUVD-2026-64844

Joomla Extension - miniorange.com - Arbitrary account takeover in miniOrange OAuth Client 3.2.0 - The manipulation of a cookie value allows actors to login as arbitrary accounts, including admins...

CVE-2026-77995 Joomla Extension - miniorange.com - Arbitrary account takeover in miniOrange OAuth Client < 3.2.0, OAuth Single Sign-On – OIDC SSO < 1.2.2, Login with Keycloak OAuth Single Sign-On (SSO) < 1.2.2, Single Sign-On for Educational Institutes < 1.2.2

Joomla Extension - miniorange.com - Arbitrary account takeover in miniOrange OAuth Client 3.2.0, OAuth Single Sign-On – OIDC SSO 1.2.2, Login with Keycloak OAuth Single Sign-On SSO 1.2.2, Single Sign-On for Educational Institutes 1.2.2 - The manipulation of a cookie value allows actors to login a...