Python
CVE-2026-22609
HIGH
GHSA-q5qq-mvfm-j35x
Severity by source
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Primary rating from GitHub Advisory · only source for this CVE.
CVSS VectorGitHub Advisory
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
4DescriptionGitHub Advisory
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.
AnalysisAI
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. Public exploit code exists for this HIGH severity vulnerability, though a patch is available in version 0.1.7 and later.
Technical ContextAI
Affects Fickling. 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.
RemediationAI
A vendor patch is available — apply it immediately. Fixed in version 0.1.7..
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Same weakness CWE-184 – Incomplete List of Disallowed Inputs
View allSame technique Deserialization
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External POC / Exploit Code
Leaving vuln.today