Use of hard-coded cryptographic key issue exists in BizRobo! all versions. Credentials inside robot files may be obtained if the encryption key is available. The vendor provides the workaround information and recommends to apply it to the deployment environment.
https://knowledge.bizrobo.com/hc/ja/articles/39953373809305
https://knowledge.bizrobo.com/hc/ja/articles/39952052043289
https://knowledge.bizrobo.com/hc/ja/articles/39951710517145