CVE-2026-22609
HIGH
GHSA-q5qq-mvfm-j35x
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
4Description
Fickling is a Python pickling decompiler and static analyzer. Prior to version 0.1.7, the unsafe_imports() method in Fickling's static analyzer fails to flag several high-risk Python modules that can be used for arbitrary code execution. Malicious pickles importing these modules will not be detected as unsafe, allowing attackers to bypass Fickling's primary static safety checks. This issue has been patched in version 0.1.7.
Analysis
Fickling's static analyzer before version 0.1.7 fails to detect several dangerous Python modules in pickled objects, enabling attackers to craft malicious pickles that bypass safety checks and achieve arbitrary code execution. This vulnerability affects users relying on Fickling to validate untrusted serialized Python objects for safety. …
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Remediation
Within 7 days: Identify all affected systems and apply vendor patches promptly. Vendor patch is available.
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External POC / Exploit Code
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