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ZDNet reports that Cipher0007 disclosed the vulnerabilities earlier this week and revealed on Reddit that these flaws could be used to steal private messages on AlphaBay .
 the vulnerabilities: vulnerability; earlier this week: time; these flaws: vulnerability; be used to steal private messages: capabilities; AlphaBay: vulnerable system; Cipher0007: discoverer
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: discover vulnerability 
  Option: vulnerable system owner, vulnerability, capabilities, time, vulnerable system version, discoverer, common vulnerabilities and exposures, supported platform, vulnerable system 
Text: {0} 
Answer:
 the vulnerabilities: vulnerability; earlier this week: time; these flaws: vulnerability; be used to steal private messages: capabilities; AlphaBay: vulnerable system; Cipher0007: discoverer