CVE-2025-71320
Published:June 17, 2026
Updated:June 29, 2026
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 Packages
https://github.com/mmaitre314/picklescan.git (GITHUB):
Affected version(s) >=v0.0.2 <v0.0.33Fix Suggestion:
Update to version v0.0.33picklescan (PYTHON):
Affected version(s) >=0.0.1 <0.0.33Fix Suggestion:
Update to version 0.0.33Related Resources (7)
Do you need more information?
Contact UsCVSS v4
Base Score:
9.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
Exploit Maturity
POC
CVSS v3
Base Score:
9.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Incomplete List of Disallowed Inputs
EPSS
Base Score:
0.62