CVE-2025-71358
Received Received - Intake
Picklescan Arbitrary Code Execution via Malicious Pickle Files

Publication date: 2026-06-22

Last updated on: 2026-06-22

Assigner: VulnCheck

Description
picklescan before 0.0.29 fails to detect malicious pickle files that exploit idlelib.autocomplete.AutoComplete.get_entity function in reduce methods. Attackers can embed undetected code in pickle files that executes arbitrary commands when loaded by victims using pickle.load().
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Meta Information
Published
2026-06-22
Last Modified
2026-06-22
Generated
2026-06-23
AI Q&A
2026-06-23
EPSS Evaluated
N/A
NVD
CVE-2025-71358
Affected Vendors & Products
Currently, no data is known.
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-502 The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.
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Executive Summary

This vulnerability exists in picklescan versions before 0.0.29, where it fails to detect malicious pickle files that exploit the idlelib.autocomplete.AutoComplete.get_entity function in reduce methods.

Attackers can embed undetected malicious code within pickle files, which then execute arbitrary commands when these files are loaded by victims using the pickle.load() function.

Impact Analysis

The impact of this vulnerability is that an attacker can execute arbitrary commands on a victim's system by tricking them into loading a malicious pickle file.

This can lead to unauthorized actions being performed on the victim's machine, potentially compromising system integrity and confidentiality.

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