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CVE PROGRAM SOURCE RECORD9.3 Critical

CVE-2025-71320

picklescan - Remote Code Execution via Incomplete Disallowed Inputs

Description

picklescan before 0.0.33 contains an incomplete deny-list that fails to block pydoc.locate and operator.methodcaller functions, allowing attackers to bypass security checks. Remote attackers can craft malicious pickle files using these unblocked functions to achieve arbitrary code execution when the pickle is deserialized.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

picklescan picklescan

Default version status: unaffected

  • 0 to < 0.0.33affected
  • 0.0.33unaffected
pkg:pypi/picklescan

References