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...

CVE-2026-44476

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 information, can authenticate as that client at the token endpoint and obtain an access token without providing its clientsecret. This occu...

DEBIAN-CVE-2026-44476

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 information, can authenticate as that client at the token endpoint and obtain an access token without providing its clientsecret. This occu...

CVE-2026-44476

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 information, can authenticate as that client at the token endpoint and obtain an access token without providing its clientsecret. This occu...

UBUNTU-CVE-2026-44476

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 information, can authenticate as that client at the token endpoint and obtain an access token without providing its clientsecret. This occu...

CVE-2026-44476 Doorkeeper OpenID Connect: Dynamic Client Registration feature creates public clients with client_secret

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 information, can authenticate as that client at the token endpoint and obtain an access token without providing its clientsecret. This occu...

CVE-2026-44476

doorkeeper-openid_connect (an OpenID Connect extension for the Doorkeeper OAuth 2 gem in Ruby on Rails) is affected in version 1.9.0 . The root cause is in DynamicClientRegistrationController#register, which hard-codes confidential: false when creating dynamically registered applications, yet sti...

CVE-2026-44476

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 information, can authenticate as that client at the token endpoint and obtain an access token without providing its clientsecret. This occu...

CVE-2026-44476 Doorkeeper OpenID Connect: Dynamic Client Registration feature creates public clients with client_secret

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 information, can authenticate as that client at the token endpoint and obtain an access token without providing its clientsecret. This occu...

EUVD-2026-53869

Hubzilla 11.2.1 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 cross-origin POST...

CVE-2026-44761 Insecure Sample Credentials in SAP Commerce Cloud

SAP Commerce Cloud could retain a sample OAuth2 client with publicly documented sample credentials originating from sample configuration provided in SAP Help Portal documentation. If left unchanged, an unauthenticated attacker could use these well-known credentials to obtain a valid access token...

CVE-2026-57218 RabbitMQ: AMQP 0-9-1 in combination with OAuth 2: consumer persistence can lead to post-revocation message disclosure

RabbitMQ is a messaging and streaming broker. Prior to 4.2.6, RabbitMQ AMQP 0-9-1 allows an existing consumer to keep receiving messages after OAuth token expiry or connection.updatesecret refresh to reduced scopes because existing consumers are not canceled or reauthorized at delivery time after...

CVE-2026-56359

n8n prior to 2.8.0 contains a cross-site scripting vulnerability in the credential management flow. Authenticated users can inject malicious JavaScript URLs into OAuth2 credential Authorization URL fields, enabling crafted credentials to cause the victim, who clicks the OAuth authorization button...

RabbitMQ: RabbitMQ: OAuth 2 client secret disclosure via obsolete API endpoint

A flaw was found in RabbitMQ, a messaging and streaming broker. An unauthenticated remote attacker could exploit an obsolete API endpoint GET /api/auth to disclose the OAuth 2 client secret. This vulnerability occurs when the RabbitMQ management plugin and OAuth configuration are enabled, leading...

CVE-2026-12746

Dancer2::Plugin::Auth::OAuth::Provider versions before 0.23 for Perl do not support the OAuth 2.0 state parameter. The authenticationurl method builds the provider authorization redirect without issuing a state value, and the callback method exchanges the callback code and registers the resulting...

CVE-2026-47775 Envoy OAuth2 Filter: Padding Oracle via AES-256-CBC Cookie Decryption

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.35.11, 1.36.7, 1.37.3, and 1.38.1, the OAuth2 HTTP filter's encrypt/decrypt functions use AES-256-CBC without an authentication tag no HMAC, no AEAD. The /callback endpoint returns HTTP 302 on...

EEF-CVE-2026-49757 OAuth2/OIDC account takeover in AshAuthentication via email-based user matching

Summary Authentication Bypass by Spoofing vulnerability in team-alembic AshAuthentication allows account takeover of local users via OAuth2/OIDC sign-in. AshAuthentication's OAuth2 and OIDC family strategies matched the local user by email address an upsert on the email field, or a user-defined...

CVE-2026-53523 Nezha Monitoring: OAuth2 Redirect URL — Host Header Injection

Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. From version 1.0.0 to before version 2.2.0, the getRedirectURL function in oauth2.go:22-29 constructs the OAuth2 callback URL by concatenating the request's Host header with a fixed path, with zero...

CVE-2026-44237

FreePBX is an open source IP PBX. Prior to 17.0.8, the FreePBX api module's OAuth2 implementation does not sufficiently validate client credentials during token issuance. Knowledge of a valid clientid is required. The validateClient method in ClientRepository.php unconditionally returns true,...

CVE-2026-44237 FreePBX: Authenticated Access can lead to Subsequent OAuth2 Authentication Bypass in API Module

FreePBX is an open source IP PBX. Prior to 17.0.8, the FreePBX api module's OAuth2 implementation does not sufficiently validate client credentials during token issuance. Knowledge of a valid clientid is required. The validateClient method in ClientRepository.php unconditionally returns true,...