GHSA-F6R7-6W34-X2GP Keycloak Vulnerable to Improper Validation of Specified Quantity in Input

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 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

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 ...