Python
CVE-2026-22612
HIGH
GHSA-h4rm-mm56-xf63
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
3DescriptionGitHub Advisory
Fickling is a Python pickling decompiler and static analyzer. Prior to version 0.1.7, Fickling is vulnerable to detection bypass due to "builtins" blindness. This issue has been patched in version 0.1.7.
AnalysisAI
Fickling versions prior to 0.1.7 fail to properly detect malicious pickle payloads due to inadequate handling of the "builtins" module, allowing attackers to bypass security analysis and potentially execute arbitrary code. This vulnerability affects Python environments using vulnerable versions of Fickling for pickle inspection and static analysis. An attacker can craft specially designed pickle files that evade detection mechanisms, compromising the integrity of pickle validation workflows.
Technical ContextAI
Classified as CWE-502 (Deserialization of Untrusted Data). Affects Fickling. Fickling is a Python pickling decompiler and static analyzer. Prior to version 0.1.7, Fickling is vulnerable to detection bypass due to "builtins" blindness. 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-502 – Deserialization of Untrusted Data
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External POC / Exploit Code
Leaving vuln.today