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Keycloak took 10 months to fix a 2FA bypass


Earlier this year, I was working […]

This issue presents a significant security risk as it allows unauthorized users to perform actions reserved for administrators, potentially leading to data breaches or system compromise. An attacker with access to a non-administrative user account can invoke the “ testLDAPConnection functionality by modifying the connectionUrl parameter with an arbitrary value, and the LDAP credentials will be sent to the attacker-controller server. Based on our analysis, the software didn’t implement mechanisms to prevent concurrent access to security-critical resources, such as the number of failed authentication attempts.

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