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CVE-2026-53872— picklescan - Arbitrary File Read via Unsafe Pickle Deserialization

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 0.0.35之前版本存在路径遍历漏洞，该漏洞源于不安全的pickle反序列化，允许未经身份验证的攻击者通过将io.FileIO和urllib.request.urlopen链接来读取任意服务器文件。

CVSS 7.5 · High EPSS 0.69% · P51

Affected Version Matrix 2

VendorProduct Version RangeStatus
picklescan picklescan < 0.0.35 affected
0.0.35 unaffected
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I. Basic Information for CVE-2026-53872

Vulnerability Information
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Vulnerability Title
picklescan - Arbitrary File Read via Unsafe Pickle Deserialization
Source: CVE Program / CVE List V5
Vulnerability Description
picklescan before 0.0.35 contains an unsafe pickle deserialization vulnerability allowing unauthenticated attackers to read arbitrary server files by chaining io.FileIO and urllib.request.urlopen. Attackers can bypass RCE-focused blocklists to exfiltrate sensitive data like /etc/passwd to external servers.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Matthieu Maitre Picklescan 路径遍历漏洞
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 0.0.35之前版本存在路径遍历漏洞，该漏洞源于不安全的pickle反序列化，允许未经身份验证的攻击者通过将io.FileIO和urllib.request.urlopen链接来读取任意服务器文件。
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 ~ 0.0.35 -

II. Public POCs for CVE-2026-53872

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Qwen3.6-35B-A3B · 11796 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-53872

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Vendor Advisories for CVE-2026-53872 (2)

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-2025-71320 9.8 CRITICAL picklescan - Remote Code Execution via Incomplete Disallowed Inputs
CVE-2025-71322 8.8 HIGH PickleScan - Unsafe Globals Check Bypass via pty.spawn Function
CVE-2026-53875 picklescan - Scanning Bypass via Dynamic Eval in scan_pytorch

IV. Related Vulnerabilities

Same product: picklescan
Same vendor: picklescan
Same weakness: CWE-22

V. Comments for CVE-2026-53872

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