Apache DolphinScheduler's python gateway in version 3.0.0-alpha through 3.1.1, suffered from improper authentication: an attacker could use a socket bytes attack without authentication. For users who use you can turn off the "python-gateway" function by changing the value "python-gateway.enabled=false" in configuration file "application.yaml".
CWE-287 - Improper Authentication
Improper (or broken) authentication attacks are widespread, and have accounted for many of the worst data breaches in recent years. Improper authentication attacks are a class of vulnerabilities where an attacker impersonates a legitimate user by exploiting weaknesses in either session management or credential management to gain access to the user’s account. This can result in disclosure of sensitive information, and can lead to system compromise, theft, identity theft, and fraud.