Deserialization of Untrusted Data

Overview picklescan is a Security scanner detecting Python Pickle files performing suspicious actions Affected versions of this package are vulnerable to Deserialization of Untrusted Data via the makelabel function in the reduce method. An attacker can execute arbitrary commands by crafting...

EUVD-2025-210411

picklescan before 0.0.30 fails to detect malicious pickle files that exploit lib2to3.pgen2.pgen.ParserGenerator.makelabel function in the reduce method. Attackers can craft malicious pickle files with embedded code that evades detection but executes arbitrary commands when pickle.load is called...

Picklescan is missing detection when calling built-in python lib2to3.pgen2.pgen.ParserGenerator.make_label

Summary Using lib2to3.pgen2.pgen.ParserGenerator.makelabel function, which is a built-in python library function to execute remote pickle file. Details The attack payload executes in the following steps: First, the attacker craft the payload by calling to...