CVE-2026-9689

A flaw was found in Keycloak, an open-source identity and access management solution. When a client application is configured to accept broad redirect Uniform Resource Identifiers URIs, a remote attacker can manipulate the authentication process by crafting a special web address. If a user clicks...

CVE-2026-9689

A flaw was found in Keycloak, an open-source identity and access management solution. When a client application is configured to accept broad redirect Uniform Resource Identifiers URIs, a remote attacker can manipulate the authentication process by crafting a special web address. If a user clicks...

Improper Validation of Consistency within Input

Overview org.keycloak:keycloak-services is an open source identity and access management solution for modern applications and services. Affected versions of this package are vulnerable to Improper Validation of Consistency within Input via the authentication process when a client is configured wi...

CVE-2026-9689: Improper Validation of Consistency within Input

A flaw was found in Keycloak, an open-source identity and access management solution. When a client application is configured to accept broad redirect Uniform Resource Identifiers URIs, a remote attacker can manipulate the authentication process by crafting a special web address. If a user clicks...

PT-2026-43682

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw in Keycloak, an open-source identity and access management solution, allows a remote attacker to manipulate the authentication process by crafting a special web address. This occurs...

Keycloak security vulnerabilities

Keycloak is an open-source identity and access management solution developed by Keycloak itself. There is a security vulnerability in Keycloak. This vulnerability arises when authenticated low-privilege users can send excessively large SubjectToken JWT tokens to the TokenEndpoint. When the token...

Keycloak security vulnerabilities

Keycloak is an open-source identity and access management solution developed by Keycloak. There is a security vulnerability in Keycloak. This vulnerability arises when the client application’s configuration accepts broad redirect URIs. A remote attacker could manipulate the authentication process...

PT-2026-43993

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description An authenticated user with low privileges can achieve privilege escalation by sending an oversized JSON Web Token JWT, which is a compact, URL-safe means of representing claims to be...

PT-2026-55165

A flaw was found in Keycloak, an open-source identity and access management solution. When a client application is configured to accept broad redirect Uniform Resource Identifiers URIs, a remote attacker can manipulate the authentication process by crafting a special web address. If a user clicks...

CVE-2026-9704: Improper Validation of Specified Quantity in Input

A flaw was found in Keycloak. An authenticated user with low privileges can exploit this vulnerability by sending an oversized subjecttoken JSON Web Token JWT to the TokenEndpoint. When the token exceeds a 4000-character limit, it is silently dropped, causing the system to fall back to client...

PT-2026-55159

A flaw was found in Keycloak. An authenticated user with low privileges can exploit this vulnerability by sending an oversized subject token JSON Web Token JWT to the TokenEndpoint. When the token exceeds a 4000-character limit, it is silently dropped, causing the system to fall back to client...

Keycloak SAML Endpoint DoS

The vulnerability of the SAML Endpoint component of the Keycloak identity and access management software is related to incorrect syntax validation during input verification. Exploiting this vulnerability could allow an attacker to trigger a service failure...

fr.cnieg.keycloak:attribute-login-provider (1.3.11), io.github.jeff-tian:keycloak-services-social-weixin (>=0.5.35, <=0.5.40) +15 more potentially affected by CVE-2026-9087 via org.keycloak:keycloak-services (23.0.0)

org.keycloak:keycloak-services MAVEN version 23.0.0 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 1.3.11 -...

io.kokuwa.keycloak:keycloak-event-metrics (0.2.1), org.keycloak:keycloak-crypto-fips1402 (21.1.0) +13 more potentially affected by CVE-2026-9087 via org.keycloak:keycloak-services (21.1.0)

org.keycloak:keycloak-services MAVEN version 21.1.0 is affected by a known vulnerability. The following packages have a transitive dependency on org.keycloak:keycloak-services and may be impacted: - io.kokuwa.keycloak:keycloak-event-metrics 0.2.1 - org.keycloak:keycloak-crypto-fips1402 21.1.0 -...

org.keycloak:keycloak-dependencies-server-min (4.8.2.final), org.keycloak:keycloak-model-jpa (4.8.2.final) +2 more potentially affected by CVE-2026-9087 via org.keycloak:keycloak-services (4.8.2.final)

org.keycloak:keycloak-services MAVEN version 4.8.2.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 4.8.2.final - org.keycloak:keycloak-model-jpa...

org.keycloak:keycloak-authz-policy-drools (6.0.0), org.keycloak:keycloak-dependencies-server-all (6.0.0) +8 more potentially affected by CVE-2026-9087 via org.keycloak:keycloak-services (6.0.0)

org.keycloak:keycloak-services MAVEN version 6.0.0 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-authz-policy-drools 6.0.0 - org.keycloak:keycloak-dependencies-server-all 6.0...

de.adorsys.sts:keycloak-storage-provider (>=0.29.1, <=0.29.10), dk.grinn.keycloak:keycloak-migrate-resource (>=0.0.6, <=1.0.11) +9 more potentially affected by CVE-2026-9087 via org.keycloak:keycloak-services (6.0.1)

org.keycloak:keycloak-services MAVEN version 6.0.1 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 =0.29.1, =0.0.6, =0.0.6, =1.0.11 -...

net.micedre.keycloak:keycloak-mail-whitelisting (1.5), org.keycloak:keycloak-dependencies-server-all (19.0.0) +15 more potentially affected by CVE-2026-9087 via org.keycloak:keycloak-services (19.0.0)

org.keycloak:keycloak-services MAVEN version 19.0.0 is affected by a known vulnerability. The following packages have a transitive dependency on org.keycloak:keycloak-services and may be impacted: - net.micedre.keycloak:keycloak-mail-whitelisting 1.5 - org.keycloak:keycloak-dependencies-server-al...

net.optionfactory.keycloak:optionfactory-keycloak-apple-identity-provider (2.0), net.optionfactory.keycloak:optionfactory-keycloak-email-sender (2.0) +17 more potentially affected by CVE-2026-9087 via org.keycloak:keycloak-services (20.0.0)

org.keycloak:keycloak-services MAVEN version 20.0.0 is affected by a known vulnerability. The following packages have a transitive dependency on org.keycloak:keycloak-services and may be impacted: - net.optionfactory.keycloak:optionfactory-keycloak-apple-identity-provider 2.0 -...

fr.cnieg.keycloak:attribute-login-provider (>=1.3.0, <=1.3.1), io.teragroup.keycloak.extension:migration (>=19.0.3.1, <=19.0.3.2) +25 more potentially affected by CVE-2026-9087 via org.keycloak:keycloak-services (19.0.3)

org.keycloak:keycloak-services MAVEN version 19.0.3 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 =1.3.0, =19.0.3.1, =1.11, =1.11, =1.11, =1.11, =1.11,...