DRUPAL-CORE-2026-005

SA-CORE-2019-003 added protection for fields that store serialized data to disallow direct writes via web services. The above fix did not cover all potential attack vectors for JSON:API. An attacker with appropriate JSON:API write permission could potentially inject a malicious payload in certain...

PT-2026-50606

Name of the Vulnerable Software and Affected Versions Drupal core affected versions not specified Description An attacker with appropriate JSON:API write permissions could potentially inject a malicious payload in certain rare circumstances, leading to PHP Object Injection. PHP Object Injection...