I made a note app than can create multiple notes! Can you read the hidden note?
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Daily AlpacaHack B-SIDETopic: YAMLReleased: Apr 22, 2026
Insecure Deserialization is a vulnerability in which deserializing untrusted data allows unintended object creation or execution of processing.
In CTFs, challenges may involve supplying crafted serialized data as input to achieve arbitrary code execution or obtain sensitive information. (automatically translated from Japanese)
Daily AlpacaHack B-SIDETopic: YAMLReleased: Apr 22, 2026