CVE-2026-9791

A flaw was found in Keycloak. An authenticated user with existing organization membership can exploit this flaw by accessing user-facing APIs, such as the account API or by requesting an OpenID Connect OIDC token with the 'organization' scope. This allows organization metadata to be disclosed in...

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...

EUVD-2026-32720

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-2026-9802 Keycloak: keycloak: unauthorized account access via replayed refresh tokens after cluster restart

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...

com.inventage.keycloak.log-level:keycloak-log-level (1.0.0), com.inventage.keycloak.role-based-timeout:keycloak-role-based-timeout (>=1.0.0, <=1.2.0) +91 more potentially affected by CVE-2026-9802 via org.keycloak:keycloak-services (>=26.5.0, <=26.6.2)

org.keycloak:keycloak-services MAVEN version =26.5.0, =1.0.0, =1.2.0, =5.5.0, =5.5.0, =2.4.5, =2.1.0, =0.1.1, =1.5.0, =1.3.1, =1.11.17, =1.1.2, =1.2.4 and more Source cves: CVE-2026-9802 Source advisory: MEND:CVE-2026-9802...

CVE-2026-9803 Keycloak: keycloak: denial of service via malformed authorization header

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-2026-9803 Keycloak: keycloak: denial of service via malformed authorization header

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...

EUVD-2026-32719

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-2026-9803

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-2026-9803

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-2026-9803

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-2026-9803

CVE-2026-9803 describes a denial-of-service flaw in Keycloak’s ClientRegistrationAuth component. A remote, unauthenticated attacker can trigger an ArrayIndexOutOfBoundsException by sending a specially crafted POST request with a malformed Authorization: Bearer header to any client registration en...

CVE-2026-9802 Keycloak: keycloak: unauthorized account access via replayed refresh tokens after cluster restart

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-2026-9802

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-2026-9802

Keycloak contains a vulnerability where, with revokeRefreshToken=true and persistent session storage, a server restart can reset internal timing mechanisms, enabling a remote attacker who has captured a user’s refresh token to replay it after revocation. This can grant unauthorized access to the ...

CVE-2026-9801 Keycloak: keycloak: denial of service via malformed ldap password policy response

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-2026-9801

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...

EUVD-2026-32718

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-2026-9801

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-2026-9801

CVE-2026-9801 affects Keycloak. A remote attacker with high privileges (e.g., a realm administrator configuring a malicious LDAP server or compromising an upstream LDAP server) can trigger an OutOfMemoryError by sending a malformed LDAP password policy response during authentication, causing the ...