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HIGHCVE-2026-22606Published Modified CNA GitHub_M

CVE-2026-22606: Fickling has a bypass via runpy.run_path() and runpy.run_module()

Fickling is a Python pickling decompiler and static analyzer. Fickling versions up to and including 0.1.6 do not treat Python’s runpy module as unsafe. Because of this, a malicious pickle that uses runpy.run_path() or runpy.run_module() is classified as SUSPICIOUS instead of OVERTLY_MALICIOUS. If a user relies on Fickling’s output to decide whether a pickle is safe to deserialize, this misclassification can lead them to execute attacker-controlled code on their system. This affects any workflow or product that uses Fickling as a security gate for pickle deserialization. This issue has been patched in version 0.1.7.

Metrics

CVSS v4.0
8.9
Severity
HIGH
Fixed in
Affected Products
1
Affected packages
  • trailofbits / fickling
    < 0.1.7
CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P