PickleScan has multiple stdlib modules with direct RCE not in blocklist

Summarypicklescan v1.0.3 latest does not block at least 7 Python standard library modules that provide direct arbitrary command execution or code evaluation. A malicious pickle file importing these modules is reported as having 0 issues CLEAN scan. This enables remote code execution that bypasses...

PYSEC-2026-4134 PickleScan has multiple stdlib modules with direct RCE not in blocklist

Summary picklescan v1.0.3 latest does not block at least 7 Python standard library modules that provide direct arbitrary command execution or code evaluation. A malicious pickle file importing these modules is reported as having 0 issues CLEAN scan. This enables remote code execution that bypasse...

Picklescan missing detection when calling built-in python library function timeit.timeit()

SummaryUsing timeit.timeit function, which is a built-in python library function to execute remote pickle file. DetailsPickle’s deserialization process is known to allow execution of function via reduce method. While Picklescan is meant to detect such exploits, this attack evades detection by...

Picklescan has a missing detection when calling built-in python profile.Profile.runctx

SummaryUsing profile.Profile.runctx, which is a built-in python library function to execute remote pickle file. DetailsThe attack payload executes in the following steps:First, the attacker craft the payload by calling to profile.Profile.runctx function in reduce methodThen when the victim after...

PYSEC-2026-4132 Picklescan has a missing detection when calling built-in python profile.Profile.runctx

Summary Using profile.Profile.runctx, 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 profile.Profile.runctx function in reduce method Then when the victim...

PYSEC-2026-4133 Picklescan has a missing detection when calling built-in python idlelib.autocomplete.AutoComplete.fetch_completions

Summary Using idlelib.autocomplete.AutoComplete.fetchcompletions, 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...

Picklescan is vulnerable to RCE through missing detection when calling numpy.f2py.crackfortran.myeval

SummaryPicklescan uses numpy.f2py.crackfortran.myeval, which is a function in numpy to execute remote pickle files. DetailsThe attack payload executes in the following steps:- First, the attacker crafts the payload by calling the numpy.f2py.crackfortran.myeval function in its reduce method- Then,...

Picklescan has a missing detection when calling built-in python idlelib.autocomplete.AutoComplete.fetch_completions

SummaryUsing idlelib.autocomplete.AutoComplete.fetchcompletions, which is a built-in python library function to execute remote pickle file. DetailsThe attack payload executes in the following steps:First, the attacker craft the payload by calling to...

Picklescan missing detection when calling pytorch function torch.jit.unsupported_tensor_ops.execWrapper

SummaryUsing torch.jit.unsupportedtensorops.execWrapper function, which is a pytorch library function to execute remote pickle file. DetailsThe attack payload executes in the following steps:First, the attacker craft the payload by calling to torch.jit.unsupportedtensorops.execWrapper function in...

PYSEC-2026-4131 Picklescan is vulnerable to RCE through missing detection when calling numpy.f2py.crackfortran.myeval

Summary Picklescan uses numpy.f2py.crackfortran.myeval, which is a function in numpy to execute remote pickle files. Details The attack payload executes in the following steps: - First, the attacker crafts the payload by calling the numpy.f2py.crackfortran.myeval function in its reduce method -...

PYSEC-2026-4136 Picklescan missing detection when calling pytorch function torch.jit.unsupported_tensor_ops.execWrapper

Summary Using torch.jit.unsupportedtensorops.execWrapper function, which is a pytorch 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 torch.jit.unsupportedtensorops.execWrapper function...

PYSEC-2026-4135 Picklescan missing detection when calling built-in python library function timeit.timeit()

Summary Using timeit.timeit function, which is a built-in python library function to execute remote pickle file. Details Pickle’s deserialization process is known to allow execution of function via reduce method. While Picklescan is meant to detect such exploits, this attack evades detection by...

PT-2026-105881

Summary Using profile.Profile.runctx, 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 profile.Profile.runctx function in reduce method Then when the victim...

PT-2026-105884

Summary Using timeit.timeit function, which is a built-in python library function to execute remote pickle file. Details Pickle’s deserialization process is known to allow execution of function via reduce method. While Picklescan is meant to detect such exploits, this attack evades detection by...

PT-2026-105880

Summary Picklescan uses numpy.f2py.crackfortran.myeval, which is a function in numpy to execute remote pickle files. Details The attack payload executes in the following steps: - First, the attacker crafts the payload by calling the numpy.f2py.crackfortran.myeval function in its reduce method -...

PT-2026-105883

Summary picklescan v1.0.3 latest does not block at least 7 Python standard library modules that provide direct arbitrary command execution or code evaluation. A malicious pickle file importing these modules is reported as having 0 issues CLEAN scan. This enables remote code execution that bypasse...

PT-2026-105882

Summary Using idlelib.autocomplete.AutoComplete.fetch completions, 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 idlelib.autocomplete.AutoComplete.fetch...

PT-2026-105885

Summary Using torch.jit.unsupported tensor ops.execWrapper function, which is a pytorch 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 torch.jit.unsupported tensor ops.execWrapper...

Picklescan (scan_pytorch) Bypass via dynamic eval MAGIC_NUMBER

SummaryThis is a scanning bypass to scanpytorch function in picklescan. As we can see in the implementation of getmagicnumber that uses pickletools.genopsdata to get the magicnumber with the condition opcode.name includes INT or LONG, but the PyTorch's implemtation simply uses picklemodule.load t...

PYSEC-2026-2873 Picklescan (scan_pytorch) Bypass via dynamic eval MAGIC_NUMBER

Summary This is a scanning bypass to scanpytorch function in picklescan. As we can see in the implementation of getmagicnumber that uses pickletools.genopsdata to get the magicnumber with the condition opcode.name includes INT or LONG, but the PyTorch's implemtation simply uses picklemodule.load ...