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by blincoln 1657 days ago
Also, my understanding is that Java deserialization (or deserialization in general) wasn't intended to explicitly allow actual code execution, just reconstitution of an object's state from storage on disk, the network, etc. Sometimes the state of certain types of object can be repurposed to result in arbitrary code execution, but AFAIK that wasn't an anticipated outcome or design goal back in the 90s.