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

SummaryPicklescan uses the numpy.f2py.crackfortran.evallength function a NumPy F2PY helper to execute arbitrary Python code during unpickling. DetailsPicklescan fails to detect a malicious pickle that uses the gadget numpy.f2py.crackfortran.evallength in reduce, allowing arbitrary command executi...

PYSEC-2026-1791 Picklescan vulnerable to Arbitrary File Writing

Summary Picklescan has got open and shutil in its default dangerous blocklist to prevent arbitrary file overwrites. However the module distutils isnt blocked and can be used for the same purpose ie to write arbitrary files. Details This is another vulnerability which impacts the downstream user. ...

PYSEC-2026-1786 Picklescan has a missing detection when calling built-in python idlelib.calltip.Calltip

Summary Using idlelib.calltip.Calltip.fetchtip, 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.calltip.Calltip.fetchtip function in reduce method The...

CVE-2025-71375 picklescan - Undetected Remote Code Execution via _operator.methodcaller

picklescan before 0.0.34 fails to detect the operator.methodcaller built-in function when scanning pickle files for malicious code. Attackers can craft malicious pickle payloads using operator.methodcaller that evade detection and execute arbitrary code when loaded by pickle.load...

CVE-2025-71356 picklescan - Arbitrary Code Execution via torch.fx.experimental.symbolic_shapes.ShapeEnv.evaluate_guards_expression

picklescan before 0.0.28 fails to detect malicious torch.fx.experimental.symbolicshapes.ShapeEnv.evaluateguardsexpression function calls in pickle files. Attackers can embed undetected code in pickle files that executes remote code when loaded by victims...

CVE-2025-71359

The CVE concerns the Python package picklescan prior to version 0.0.29, where the vulnerability lies in deserializing pickle payloads that leverage lib2to3.pgen2.grammar.Grammar.loads within the reduce method. This can enable remote code execution during pickle.load() , by crafting pickle files t...

CVE-2025-71356 picklescan - Arbitrary Code Execution via torch.fx.experimental.symbolic_shapes.ShapeEnv.evaluate_guards_expression

picklescan before 0.0.28 fails to detect malicious torch.fx.experimental.symbolicshapes.ShapeEnv.evaluateguardsexpression function calls in pickle files. Attackers can embed undetected code in pickle files that executes remote code when loaded by victims...

CVE-2025-71353

CVE-2025-71353 affects picklescan prior to 0.0.28. The root cause is that the tool fails to detect malicious pickle payloads that exploit torch._dynamo.guards.GuardBuilder.get within reduce methods. Attackers can craft pickle files with embedded code that evade detection and trigger arbitrary com...

CVE-2025-71343 picklescan - Arbitrary Code Execution via lib2to3.pgen2.pgen.ParserGenerator.make_label Detection Bypass

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...

PT-2026-55680

picklescan before 0.0.33 fails to detect operator.methodcaller function calls in pickle files, allowing attackers to bypass security checks. Remote attackers can craft malicious pickle payloads using operator.methodcaller that execute arbitrary code when loaded, compromising systems relying on...

EUVD-2025-210391

picklescan before 0.0.29 fails to detect malicious pickle files using code.InteractiveInterpreter.runcode in reduce methods. Attackers can craft pickle payloads that bypass picklescan detection and execute arbitrary code when loaded via pickle.load...

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 profile.Profile.runctx function. An attacker can execute arbitrary code by crafting a malicious pickl...

CVE-2026-56315 picklescan - Remote Code Execution via Unblocked Standard Library Modules

picklescan before 1.0.4 fails to block at least seven Python standard library modules including uuid, osxsupport, aixsupport, pyrepl.pager, and imaplib exposing eight functions that provide direct arbitrary command execution. Attackers can craft malicious pickle files importing these unblocked...

EUVD-2026-38437

picklescan before 1.0.4 fails to block at least seven Python standard library modules including uuid, osxsupport, aixsupport, pyrepl.pager, and imaplib exposing eight functions that provide direct arbitrary command execution. Attackers can craft malicious pickle files importing these unblocked...

CVE-2025-71341 picklescan - Remote Code Execution via Undetected profile.Profile.runctx

picklescan before 0.0.29 fails to detect the profile.Profile.runctx function when analyzing pickle files, allowing attackers to embed undetected malicious code. Remote attackers can craft malicious pickle files using profile.Profile.runctx in the reduce method to achieve remote code execution whe...

CVE-2025-71365 picklescan - Arbitrary Code Execution via numpy.f2py.crackfortran.myeval Detection Bypass

picklescan before 0.0.33 fails to detect malicious pickle files that invoke numpy.f2py.crackfortran.myeval function through the reduce method. Attackers can craft malicious pickle files embedding arbitrary code that evades picklescan detection and executes remote code when loaded...

CVE-2025-71339 Picklescan - Arbitrary Code Execution via numpy.f2py.crackfortran._eval_length Gadget

Picklescan before 0.0.33 fails to detect the numpy.f2py.crackfortran.evallength gadget in pickle reduce methods, allowing arbitrary code execution. Attackers can craft malicious pickle files that execute arbitrary Python code when loaded by victims who trust Picklescan's safety validation...

CVE-2025-71339

Picklescan before 0.0.33 fails to detect the numpy.f2py.crackfortran.evallength gadget in pickle reduce methods, allowing arbitrary code execution. Attackers can craft malicious pickle files that execute arbitrary Python code when loaded by victims who trust Picklescan's safety validation...

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 cProfile.runctx function in pickle file reduce methods. An attacker can execute arbitrary code by...

Incomplete List of Disallowed Inputs

Overview picklescan is a Security scanner detecting Python Pickle files performing suspicious actions Affected versions of this package are vulnerable to Incomplete List of Disallowed Inputs via the ctypes module. An attacker can execute arbitrary code by crafting malicious pickle files that invo...