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Two days later , Timothy Morgan of Blindspot Security came forward and presented a more ominious exploitation scenario where the FTP URL handlers in Java and Python could be used to bypass firewalls .
 ( discover vulnerability: presented,  Timothy Morgan: discoverer, Two days later: time, a more ominious exploitation scenario: vulnerability, the FTP URL handlers: vulnerable system, Java: vulnerable system, Python: vulnerable system, be used to bypass firewalls: capabilities) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: phishing, data breach, ransom, discover vulnerability, patch vulnerability, Arguments type: vulnerable system, capabilities, vulnerability, number of victim, issues addressed, compromised data, damage amount, common vulnerabilities and exposures, victim, patch number, number of data, tool, discoverer, time, purpose, place, payment method, releaser, vulnerable system version, attacker, supported platform, patch, price, vulnerable system owner, trusted entity, attack pattern. 
Text: {0} 
Answer:
 ( discover vulnerability: presented,  Timothy Morgan: discoverer, Two days later: time, a more ominious exploitation scenario: vulnerability, the FTP URL handlers: vulnerable system, Java: vulnerable system, Python: vulnerable system, be used to bypass firewalls: capabilities) 