keycloak-services: keycloak-services: Information disclosure via role-users endpoint bypasses per-user view filter

A flaw was found in the role-users endpoint of the keycloak-services library, which is the core component of the Keycloak identity and access management solution. The issue occurs because the system fails to check if an administrator has permission to view individual users when listing members of...

keycloak-services: keycloak-services: Generic identity-provider creation can bind brokers to organizations without manage-organizations

Keycloak provides a way to manage identity providers and organizations through its administrative API. A flaw was discovered where an administrator with permission to manage identity providers could link a new provider to an organization without having the required permissions to manage that...

keycloak-services: keycloak-services: Microsoft external access-token exchange bypasses configured tenant

Keycloak provides a way to let users log in using Microsoft accounts while restricting access to a specific organization tenant. A flaw was discovered where this restriction is ignored when using the token exchange feature. This means an attacker with a valid Microsoft token from a completely...

keycloak-services: keycloak-services: Broker-originated username collision causes account lockout

A flaw was found in the first-broker-login flow of the keycloak-services component. This component handles the initial authentication and account linking when a user logs in via an external identity provider. The issue allows an attacker to register a matching username on an external provider to...

keycloak-services: keycloak-services: unauthenticated DoS via unbounded locale caching

A flaw was found in the theme localization endpoints of the keycloak-services component, which is the core service responsible for authentication flows and theme management in Keycloak. The issue occurs because the system accepts arbitrary locale tags from unauthenticated requests and stores them...

keycloak-services: keycloak-services: Realm default-group reads disclose hidden groups under FGAP v2

A flaw was found in the default-groups REST endpoint and realm representation of Keycloak. This component is responsible for managing groups that are automatically assigned to new users within a realm. The issue allows a delegated administrator with realm-viewing permissions to see the names and...

CVE-2026-79651

A flaw was found in the theme localization endpoints of the keycloak-services component, which is the core service responsible for authentication flows and theme management in Keycloak. The issue occurs because the system accepts arbitrary locale tags from unauthenticated requests and stores them...

CVE-2026-74909

Keycloak provides a policy enforcer to protect applications by matching incoming web requests against defined security policies. A flaw was found where the enforcer fails to correctly normalize web addresses that contain special encoded characters, such as those representing semicolons or directo...

CVE-2026-18212

A flaw was found in the SAML Redirect Binding implementation of Keycloak, an open-source identity and access management solution. The issue occurs because the custom DEFLATE compression and decompression helpers fail to release native zlib memory after use. An unauthenticated attacker can exploit...

CVE-2026-90997

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...

CVE-2026-79651 Keycloak-services: keycloak-services: unauthenticated dos via unbounded locale caching

A flaw was found in the theme localization endpoints of the keycloak-services component, which is the core service responsible for authentication flows and theme management in Keycloak. The issue occurs because the system accepts arbitrary locale tags from unauthenticated requests and stores them...

ch.iterial.keycloak.plugins:keycloak-directus-plugin (>=0.1.0, <=0.7.0), ch.nerdin.keycloak.extensions:avatar-extension (0.0.1) +162 more potentially affected by CVE-2026-79651 via org.keycloak:keycloak-services (>=23.0.0, <=26.7.3)

org.keycloak:keycloak-services MAVEN version =23.0.0, =0.1.0, =24.3.0.0, =24.3.0.0, =1.0.0, =1.0.0, =1.2.0, =1.0.1, =1.0.1, =1.0.1, =1.2.0 and more Source cves: CVE-2026-79651 Source advisory: MEND:CVE-2026-79651https://vulners.com/mend/MEN...

CVE-2026-79651 Keycloak-services: keycloak-services: unauthenticated dos via unbounded locale caching

A flaw was found in the theme localization endpoints of the keycloak-services component, which is the core service responsible for authentication flows and theme management in Keycloak. The issue occurs because the system accepts arbitrary locale tags from unauthenticated requests and stores them...

CVE-2026-79651

CVE-2026-79651 is an unauthenticated denial-of-service vulnerability in the keycloak-services component of Keycloak, specifically in its theme localization endpoints . The root cause is that the system accepts arbitrary locale tags from unauthenticated requests and stores them in a permanent in-m...

EUVD-2026-80830

A flaw was found in the theme localization endpoints of the keycloak-services component, which is the core service responsible for authentication flows and theme management in Keycloak. The issue occurs because the system accepts arbitrary locale tags from unauthenticated requests and stores them...

CVE-2026-74909 Keycloak-services: keycloak-services: incomplete fix for cve-2026-15573 allows policy enforcer bypass via percent-encoded uri segments

Keycloak provides a policy enforcer to protect applications by matching incoming web requests against defined security policies. A flaw was found where the enforcer fails to correctly normalize web addresses that contain special encoded characters, such as those representing semicolons or directo...

EUVD-2026-80829

Keycloak provides a policy enforcer to protect applications by matching incoming web requests against defined security policies. A flaw was found where the enforcer fails to correctly normalize web addresses that contain special encoded characters, such as those representing semicolons or directo...

CVE-2026-74909

CVE-2026-74909 is an incomplete fix for CVE-2026-15573 in Keycloak's policy enforcer (component: keycloak-services). The enforcer fails to correctly normalize URLs containing percent-encoded characters such as semicolons or directory-traversal segments, allowing an authenticated user to trick the...

CVE-2026-74909 Keycloak-services: keycloak-services: incomplete fix for cve-2026-15573 allows policy enforcer bypass via percent-encoded uri segments

Keycloak provides a policy enforcer to protect applications by matching incoming web requests against defined security policies. A flaw was found where the enforcer fails to correctly normalize web addresses that contain special encoded characters, such as those representing semicolons or directo...

be.jidoka:jdk-keycloak-admin (>=1.0.0, <=2.4.0), br.com.anteros:anteros-keycloak (1.0.0) +1147 more potentially affected by CVE-2026-74909 via org.keycloak:keycloak-common (>=4.0.0.beta2, <=26.7.3)

org.keycloak:keycloak-common MAVEN version =4.0.0.beta2, =1.0.0, =0.0.8-alpha, =0.0.1-alpha, =1.0.0, =0.1.0, =0.2.0, =0.2.0, =0.2.0, =0.5.0, =0.2.0, =0.2.0, =0.5.0, =0.10.0, =0.10.5-experimental and more Source cves: CVE-2026-74909 Source advisory: MEND:CVE-2026-74909...