CVE-2026-14534 Fickling check_safety() bypass via unlisted standard library modules (_posixsubprocess, site, atexit)

Trail of Bits fickling versions up to and including 0.1.10 do not include the Python standard library modules posixsubprocess, site, and atexit in the UNSAFEIMPORTS denylist fickle.py. Because these modules are absent from the denylist, fickling's checksafety function returns LIKELYSAFE with zero...

CVE-2026-22607

Fickling is a Python pickling decompiler and static analyzer. Fickling versions up to and including 0.1.6 do not treat Python's cProfile module as unsafe. Because of this, a malicious pickle that uses cProfile.run is classified as SUSPICIOUS instead of OVERTLYMALICIOUS. If a user relies on...

Deserialization of Untrusted Data

Overview fickling is an A static analyzer and interpreter for Python pickle data Affected versions of this package are vulnerable to Deserialization of Untrusted Data due to incomplete detection of dangerous pickle constructs. The safety analysis fails to block certain unsafe module imports,...