CVE-2026-59358 - UAA OAuth Token Endpoint Vulnerability allows user access token reuse for client_credentials grant type. | Cloud Foundry

Severity High CVSS score: 7.6 High CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N Vendor Cloud Foundry Foundation Versions Affected Severity is High unless otherwise noted. UAA – All versions from UAA v3.7.0 to v79.6.0 inclusive; CF Deployment – All versions to v60.4.0 inclusive...

CVE-2026-92289

A flaw was found in lemonldap-ng. When configured to accept either client secrets or Proof Key for Code Exchange PKCE, a security mechanism designed to protect authorization codes, the portal fails to validate client credentials properly for public clients. A remote attacker who intercepts an...

CVE-2026-94217

A flaw was found in the User-Managed Access UMA implementation of Keycloak. The issue occurs in the authorization token endpoint when processing permission tickets. If two different users own resources with the same name, the system incorrectly merges the permissions from both resources when one...

EUVD-2026-83845

A flaw was found in the User-Managed Access UMA implementation of Keycloak. The issue occurs in the authorization token endpoint when processing permission tickets. If two different users own resources with the same name, the system incorrectly merges the permissions from both resources when one...

CVE-2026-94217

A flaw was found in the User-Managed Access UMA implementation of Keycloak. The issue occurs in the authorization token endpoint when processing permission tickets. If two different users own resources with the same name, the system incorrectly merges the permissions from both resources when one...

CVE-2026-94217: Missing Authorization

A flaw was found in the User-Managed Access UMA implementation of Keycloak. The issue occurs in the authorization token endpoint when processing permission tickets. If two different users own resources with the same name, the system incorrectly merges the permissions from both resources when one...

PT-2026-96048

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw exists in the User-Managed Access UMA implementation. The issue occurs at the authorization token endpoint when processing permission tickets. If two different users own resources wit...

CVE-2026-90997 Keycloak-services: keycloak: replay protection bypass leads to unauthorized access via database driver semantics mismatch

A flaw was found in Keycloak. When deployed in stateless mode with MySQL or MariaDB, a mismatch in row-count semantics between the database driver and Keycloak's application logic allows an attacker to bypass replay protection. This vulnerability enables an attacker who intercepts single-use...

Incorrect Authorization

Overview apache-airflow-providers-keycloak is a Provider package apache-airflow-providers-keycloak for Apache Airflow Affected versions of this package are vulnerable to Incorrect Authorization in the unauthenticated token endpoint, which accepts a client-credentials grant for any confidential...

CVE-2026-76187 Apache Airflow Keycloak provider: Any realm client's credentials mint an Airflow session JWT

Apache Airflow Keycloak provider: the unauthenticated token endpoint accepts a client-credentials grant for any confidential client registered in the Keycloak realm, not only the client configured for Airflow. No allowlist restricts which client ids may authenticate, so the credentials of an...

EUVD-2026-80324

Apache Airflow Keycloak provider: the unauthenticated token endpoint accepts a client-credentials grant for any confidential client registered in the Keycloak realm, not only the client configured for Airflow. No allowlist restricts which client ids may authenticate, so the credentials of an...

CVE-2026-76187

The apache-airflow-providers-keycloak package is vulnerable to incorrect authorization in its unauthenticated token endpoint. The root cause is the lack of an allowlist, which allows the endpoint to accept a client-credentials grant for any confidential client registered in a shared Keycloak real...

CVE-2026-76187 Apache Airflow Keycloak provider: Any realm client's credentials mint an Airflow session JWT

Apache Airflow Keycloak provider: the unauthenticated token endpoint accepts a client-credentials grant for any confidential client registered in the Keycloak realm, not only the client configured for Airflow. No allowlist restricts which client ids may authenticate, so the credentials of an...

PT-2026-93414

Name of the Vulnerable Software and Affected Versions apache-airflow-providers-keycloak versions prior to 0.10.0 Description The unauthenticated token endpoint accepts a client-credentials grant for any confidential client registered in the Keycloak realm, rather than restricting it to the client...

n8n: Per-Resource OAuth Consent Bypass via Unbound Refresh Token Resource Substitution

Impact The OAuth token endpoint bound an authorization code's first access token to the consented resource, but not its refresh token. Refreshing only checked that the requested resource was registered, not that it matched the original grant. An OAuth client approved for one workflow could refres...

GHSA-CW9W-VV67-HF73 n8n: Per-Resource OAuth Consent Bypass via Unbound Refresh Token Resource Substitution

Impact The OAuth token endpoint bound an authorization code's first access token to the consented resource, but not its refresh token. Refreshing only checked that the requested resource was registered, not that it matched the original grant. An OAuth client approved for one workflow could refres...

CVE-2026-86073 n8n: Per-Resource OAuth Consent Bypass via Unbound Refresh Token Resource Substitution

n8n is an open source workflow automation platform. Prior to 2.37.7 and 2.38.1, the OAuth token endpoint bound an authorization code's first access token to the consented resource but did not bind its refresh token. Refreshing checked only that the requested resource was registered, not that it...

CVE-2026-86073

n8n , an open source workflow automation platform, is affected by a per-resource OAuth consent bypass prior to versions 2.37.7 and 2.38.1 . The OAuth token endpoint bound the initial access token to the consented resource but did not bind the refresh token ; upon refreshing, it only verified the ...

Exploit for CVE-2026-73309

CVE-2026-73309 XenForo before 2.3.13 can skip OAuth2 client-s...

CVE-2026-73309

XenForo before 2.3.13 contains an authentication bypass vulnerability in the OAuth2 token endpoint that allows unauthenticated attackers to obtain valid token pairs by submitting empty values for clientsecret and codeverifier parameters. Attackers can exploit PHP truthy evaluation logic, which...