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CVE-2025-71320— picklescan - Remote Code Execution via Incomplete Disallowed Inputs

Quick assessment

Affected
picklescan picklescan
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Picklescan是美国Matthieu Maitre个人开发者的一款扫描Pickle文件安全风险的静态分析工具。 Matthieu Maitre Picklescan 0.0.33之前版本存在输入验证错误漏洞，该漏洞源于不完整的拒绝列表未能阻止pydoc.locates和operator.methodcaller functions函数，允许攻击者绕过安全检查，远程攻击者可以利用这些未阻止的函数制作恶意pickle文件，在反序列化时实现任意代码执行。

CVSS 9.8 · Critical EPSS 0.62% · P48

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 2

VendorProduct Version RangeStatus
picklescan picklescan < 0.0.33 affected
0.0.33 unaffected
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I. Basic Information for CVE-2025-71320

Vulnerability Information
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Vulnerability Title
picklescan - Remote Code Execution via Incomplete Disallowed Inputs
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不完整的黑名单
Source: CVE Program / CVE List V5
Vulnerability Title
Matthieu Maitre Picklescan 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Picklescan是美国Matthieu Maitre个人开发者的一款扫描Pickle文件安全风险的静态分析工具。 Matthieu Maitre Picklescan 0.0.33之前版本存在输入验证错误漏洞，该漏洞源于不完整的拒绝列表未能阻止pydoc.locates和operator.methodcaller functions函数，允许攻击者绕过安全检查，远程攻击者可以利用这些未阻止的函数制作恶意pickle文件，在反序列化时实现任意代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
picklescan picklescan 0 ~ 0.0.33 -

II. Public POCs for CVE-2025-71320

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 7824 chars
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Trigger conditions & impact
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Exploit chain & mitigation
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III. Intelligence Information for CVE-2025-71320

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Vendor Advisories for CVE-2025-71320 (1)

News Coverage for CVE-2025-71320 (1)

Same Patch Batch · picklescan · 2026-06-17 · 10 CVEs total

CVE-2026-3490 10.0 CRITICAL picklescan - Universal Blocklist Bypass via pkgutil.resolve_name
CVE-2026-53874 9.8 CRITICAL picklescan - Arbitrary Code Execution via Obfuscated eval Call
CVE-2026-53873 9.8 CRITICAL picklescan - Arbitrary Code Execution via profile.run() Blocklist Bypass
CVE-2025-71325 9.8 CRITICAL picklescan - Detection Bypass via STACK_GLOBAL Opcode Parsing Logic Flaw
CVE-2025-71323 9.8 CRITICAL picklescan - Remote Code Execution via Unblocked ctypes Module
CVE-2025-71321 9.8 CRITICAL picklescan - Arbitrary File Writing via distutils Module Bypass
CVE-2025-71322 8.8 HIGH PickleScan - Unsafe Globals Check Bypass via pty.spawn Function
CVE-2026-53872 7.5 HIGH picklescan - Arbitrary File Read via Unsafe Pickle Deserialization
CVE-2026-53875 picklescan - Scanning Bypass via Dynamic Eval in scan_pytorch

IV. Related Vulnerabilities

Same product: picklescan
Same vendor: picklescan
Same weakness: CWE-184

V. Comments for CVE-2025-71320

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