Keycloak has an Authentication Bypass by Primary Weakness

A flaw was found in Keycloak, an open-source identity and access management solution. When a user account is temporarily locked due to repeated failed login attempts, an attacker with valid client credentials can exploit the Client-Initiated Backchannel Authentication CIBA flow to bypass this...

com.github.vzakharchenko:chillispot-radius-plugin (>=1.4.0, <=1.4.2), com.github.vzakharchenko:cisco-radius-plugin (>=1.4.0, <=1.4.2) +26 more potentially affected by CVE-2026-9794 via org.keycloak:keycloak-services (17.0.0)

org.keycloak:keycloak-services MAVEN version 17.0.0 is affected by a known vulnerability. The following packages have a transitive dependency on org.keycloak:keycloak-services and may be impacted: - com.github.vzakharchenko:chillispot-radius-plugin =1.4.0, =1.4.0, =1.4.0, =1.4.0, =1.4.0, =1.4.0,...

org.keycloak:keycloak-dependencies-server-all (1.9.8.final), org.keycloak:keycloak-dependencies-server-min (1.9.8.final) +2 more potentially affected by CVE-2026-9791 via org.keycloak:keycloak-services (1.9.8.final)

org.keycloak:keycloak-services MAVEN version 1.9.8.final is affected by a known vulnerability. The following packages have a transitive dependency on org.keycloak:keycloak-services and may be impacted: - org.keycloak:keycloak-dependencies-server-all 1.9.8.final -...

com.github.vzakharchenko:keycloak-plugins (1.0.2), com.github.vzakharchenko:mikrotik-radius-plugin (1.0.2) +20 more potentially affected by CVE-2026-9791 via org.keycloak:keycloak-server-spi-private (8.0.2)

org.keycloak:keycloak-server-spi-private MAVEN version 8.0.2 is affected by a known vulnerability. The following packages have a transitive dependency on org.keycloak:keycloak-server-spi-private and may be impacted: - com.github.vzakharchenko:keycloak-plugins 1.0.2 -...

de.adorsys.sts:keycloak-storage-provider (>=1.1.23, <=1.1.28), io.phasetwo.keycloak:keycloak-events (0.20) +17 more potentially affected by CVE-2026-9794 via org.keycloak:keycloak-services (22.0.4)

org.keycloak:keycloak-services MAVEN version 22.0.4 is affected by a known vulnerability. The following packages have a transitive dependency on org.keycloak:keycloak-services and may be impacted: - de.adorsys.sts:keycloak-storage-provider =1.1.23, =0.20, =0.12, =0.14 -...

org.keycloak:keycloak-dependencies-server-min (4.0.0.beta1), org.keycloak:keycloak-model-jpa (4.0.0.beta1) +2 more potentially affected by CVE-2026-9792 via org.keycloak:keycloak-services (4.0.0.beta1)

org.keycloak:keycloak-services MAVEN version 4.0.0.beta1 is affected by a known vulnerability. The following packages have a transitive dependency on org.keycloak:keycloak-services and may be impacted: - org.keycloak:keycloak-dependencies-server-min 4.0.0.beta1 - org.keycloak:keycloak-model-jpa...

io.github.johnjcool:keycloak-cas-services (>=4.1.0.final, <=4.1.1.final), org.keycloak:keycloak-dependencies-server-min (4.1.0.final) +3 more potentially affected by CVE-2026-9792 via org.keycloak:keycloak-services (4.1.0.final)

org.keycloak:keycloak-services MAVEN version 4.1.0.final is affected by a known vulnerability. The following packages have a transitive dependency on org.keycloak:keycloak-services and may be impacted: - io.github.johnjcool:keycloak-cas-services =4.1.0.final, =4.1.1.final -...

org.keycloak:keycloak-dependencies-server-min (4.6.0.final), org.keycloak:keycloak-model-jpa (4.6.0.final) +2 more potentially affected by CVE-2026-9791 via org.keycloak:keycloak-services (4.6.0.final)

org.keycloak:keycloak-services MAVEN version 4.6.0.final is affected by a known vulnerability. The following packages have a transitive dependency on org.keycloak:keycloak-services and may be impacted: - org.keycloak:keycloak-dependencies-server-min 4.6.0.final - org.keycloak:keycloak-model-jpa...

dev.jcputney:keycloak-theme-additional-info-extension (>=1.1.4, <=1.1.5), org.eclipse.dirigible:dirigible-application (8.18.9) +47 more potentially affected by CVE-2026-9791 via org.keycloak:keycloak-server-spi-private (23.0.2)

org.keycloak:keycloak-server-spi-private MAVEN version 23.0.2 is affected by a known vulnerability. The following packages have a transitive dependency on org.keycloak:keycloak-server-spi-private and may be impacted: - dev.jcputney:keycloak-theme-additional-info-extension =1.1.4, =1.1.5 -...

fr.cnieg.keycloak:attribute-login-provider (>=1.3.14, <=1.4.0), io.github.jeff-tian:keycloak-services-social-dingding (0.0.4) +24 more potentially affected by CVE-2026-9791 via org.keycloak:keycloak-services (23.0.4)

org.keycloak:keycloak-services MAVEN version 23.0.4 is affected by a known vulnerability. The following packages have a transitive dependency on org.keycloak:keycloak-services and may be impacted: - fr.cnieg.keycloak:attribute-login-provider =1.3.14, =0.25, =4.6, =4.6, =4.6, =4.6, =4.6, =4.6, =4....

com.charlyghislain.keycloak:keycloak-importexport (21.0.0), de.arbeitsagentur.opdt:keycloak-cassandra-extension (>=0.10.1-21.0.1, <=0.10.8-21.0.1) +34 more potentially affected by CVE-2026-9792 via org.keycloak:keycloak-services (21.0.1)

org.keycloak:keycloak-services MAVEN version 21.0.1 is affected by a known vulnerability. The following packages have a transitive dependency on org.keycloak:keycloak-services and may be impacted: - com.charlyghislain.keycloak:keycloak-importexport 21.0.0 -...

org.eclipse.dirigible:dirigible-server-spring (7.1.5), org.eclipse.dirigible:dirigible-spring-services (7.1.5) +44 more potentially affected by CVE-2026-9791 via org.keycloak:keycloak-server-spi-private (20.0.4)

org.keycloak:keycloak-server-spi-private MAVEN version 20.0.4 is affected by a known vulnerability. The following packages have a transitive dependency on org.keycloak:keycloak-server-spi-private and may be impacted: - org.eclipse.dirigible:dirigible-server-spring 7.1.5 -...

com.github.vzakharchenko:chillispot-radius-plugin (>=1.3.8, <=1.3.9), com.github.vzakharchenko:cisco-radius-plugin (>=1.3.8, <=1.3.9) +23 more potentially affected by CVE-2026-9793 via org.keycloak:keycloak-services (14.0.0)

org.keycloak:keycloak-services MAVEN version 14.0.0 is affected by a known vulnerability. The following packages have a transitive dependency on org.keycloak:keycloak-services and may be impacted: - com.github.vzakharchenko:chillispot-radius-plugin =1.3.8, =1.3.8, =1.3.8, =1.3.8, =1.3.8, =1.3.8,...

com.github.vzakharchenko:chillispot-radius-plugin (1.3.7), com.github.vzakharchenko:cisco-radius-plugin (1.3.7) +23 more potentially affected by CVE-2026-9791 via org.keycloak:keycloak-services (13.0.1)

org.keycloak:keycloak-services MAVEN version 13.0.1 is affected by a known vulnerability. The following packages have a transitive dependency on org.keycloak:keycloak-services and may be impacted: - com.github.vzakharchenko:chillispot-radius-plugin 1.3.7 -...

CVE-2026-9798

A flaw was found in Keycloak, an open-source identity and access management solution. When a user account is temporarily locked due to repeated failed login attempts, an attacker with valid client credentials can exploit the Client-Initiated Backchannel Authentication CIBA flow to bypass this...

CVE-2026-9801

A flaw was found in Keycloak. A remote attacker with high privileges, such as a realm administrator configuring a malicious Lightweight Directory Access Protocol LDAP server or an attacker compromising an upstream LDAP server, could exploit this vulnerability. By sending a malformed LDAP password...

CVE-2026-9802

A flaw was found in Keycloak. When revokeRefreshToken=true is enabled and persistent session storage is in use, a server restart can reset internal timing mechanisms. This allows a remote attacker, who has previously captured a user's refresh token, to replay that token even after it has been...

CVE-2026-9803

A flaw was found in Keycloak's ClientRegistrationAuth component. A remote unauthenticated attacker can exploit this vulnerability by sending a specially crafted POST request with a malformed 'Authorization: Bearer' header to any client registration endpoint. This can lead to an...

CVE-2026-9796

A flaw was found in Keycloak. An authenticated administrator with the manage-clients role can exploit a Time-of-check to time-of-use TOCTOU vulnerability in the name-based admin role checks. This allows the attacker to escalate their privileges to realm-admin for all users within the realm,...

CVE-2026-9795

A flaw was found in Keycloak's Fine-Grained Admin Permissions FGAPv2 feature. An administrator with limited client management permissions can exploit this vulnerability to assign any realm role, including highly privileged roles, to a client's scope mapping. This bypasses intended security...