264 matches found
CVE-2026-73310
CVE-2026-73310: OAuth2 redirect URI not bound to authorization code XenForo before 2.3.13 does not bind an OAuth2 authorization code to the redirect URI used when that code was issued. What happens At the token endpoint, XenForo checks that the submitted redirecturi is somewhere in the client's...
keycloak: Keycloak: Denial of Service via excessive processing of OpenID Connect scope parameters
A flaw was found in Keycloak. An unauthenticated attacker can exploit this vulnerability by sending a specially crafted POST request with an excessively long scope parameter to the OpenID Connect OIDC token endpoint. This leads to high resource consumption and prolonged processing times, ultimate...
keycloak: Keycloak: Denial of Service via excessive processing of OpenID Connect scope parameters
A flaw was found in Keycloak. An unauthenticated attacker can exploit this vulnerability by sending a specially crafted POST request with an excessively long scope parameter to the OpenID Connect OIDC token endpoint. This leads to high resource consumption and prolonged processing times, ultimate...
keycloak: Keycloak: Denial of Service via excessive processing of OpenID Connect scope parameters
A flaw was found in Keycloak. An unauthenticated attacker can exploit this vulnerability by sending a specially crafted POST request with an excessively long scope parameter to the OpenID Connect OIDC token endpoint. This leads to high resource consumption and prolonged processing times, ultimate...
CVE-2026-59358
Improper authentication CWE-287 in the OAuth token endpoint in Cloud Foundry UAA allows a remote, authenticated attacker holding a valid user access token to obtain a fully-privileged clientcredentials token for the OAuth client that issued it, by presenting the user token as an OAuth 2.0 Bearer...
CVE-2026-59358
Cloud Foundry UAA (v3.7.0 to v79.6.0) and CF Deployment (up to v60.4.0) are vulnerable to an Improper Authentication (CWE-287) flaw in the OAuth token endpoint. The system fails to verify if a Bearer credential is a legitimate client secret, instead accepting any valid access token where the clie...
CVE-2026-59358 UAA OAuth Token Endpoint Vulnerability allows user access token reuse for client_credentials grant type
Improper authentication CWE-287 in the OAuth token endpoint in Cloud Foundry UAA allows a remote, authenticated attacker holding a valid user access token to obtain a fully-privileged clientcredentials token for the OAuth client that issued it, by presenting the user token as an OAuth 2.0 Bearer...
CVE-2026-59358 UAA OAuth Token Endpoint Vulnerability allows user access token reuse for client_credentials grant type
Improper authentication CWE-287 in the OAuth token endpoint in Cloud Foundry UAA allows a remote, authenticated attacker holding a valid user access token to obtain a fully-privileged clientcredentials token for the OAuth client that issued it, by presenting the user token as an OAuth 2.0 Bearer...
EUVD-2026-92988
Improper authentication CWE-287 in the OAuth token endpoint in Cloud Foundry UAA allows a remote, authenticated attacker holding a valid user access token to obtain a fully-privileged clientcredentials token for the OAuth client that issued it, by presenting the user token as an OAuth 2.0 Bearer...
keycloak: Keycloak: Denial of Service via excessive processing of OpenID Connect scope parameters
A flaw was found in Keycloak. An unauthenticated attacker can exploit this vulnerability by sending a specially crafted POST request with an excessively long scope parameter to the OpenID Connect OIDC token endpoint. This leads to high resource consumption and prolonged processing times, ultimate...
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...
Apache Kafka Client - Arbitrary File Read
Apache Kafka Client contains arbitrary file read and server-side request forgery caused by untrusted configuration of sasl.oauthbearer.token.endpoint.url and sasl.oauthbearer.jwks.endpoint.url, letting attackers read files or send requests to unintended locations, exploit requires untrusted party...
CVE-2026-73309
CVE-2026-73309: Empty OAuth2 credentials bypass XenForo before 2.3.13 can skip OAuth2 client-secret and PKCE verification when an empty string reaches the token endpoint. What happens The endpoint checks whether clientsecret and codeverifier keys exist, then performs the comparisons only when the...
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...
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...
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-2026-94217: 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...
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...