Improperly Implemented Security Check for Standard Affecting fickling package, versions [,0.1.9)
Threat Intelligence
Exploit Maturity
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
Proof of Concept
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Test your applications- Snyk IDSNYK-PYTHON-FICKLING-15435875
- published6 Mar 2026
- disclosed4 Mar 2026
- creditmldangelo
Introduced: 4 Mar 2026
New CVE NOT AVAILABLE CWE-358 (opens in a new tab)Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade fickling to version 0.1.9 or higher.
Overview
fickling is an A static analyzer and interpreter for Python pickle data
Affected versions of this package are vulnerable to Improperly Implemented Security Check for Standard in the always_check_safety() function. An attacker can execute arbitrary code by supplying a malicious pickle payload to unprotected deserialization entry points.