Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2025-71339— Picklescan - Arbitrary Code Execution via numpy.f2py.crackfortran._eval_length Gadget

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 picklescan是picklescan公司的一款Python反序列化漏洞扫描工具。 Picklescan 0.0.33之前版本存在反序列化注入漏洞，该漏洞源于无法检测numpy.f2py.crackfortran._eval_length gadget，可能导致攻击者构建恶意pickle文件，当受害者加载时执行任意Python代码。

CVSS 8.1 · High EPSS 0.52% · P42

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 2

VendorProduct Version RangeStatus
Picklescan Picklescan < 0.0.33 affected
0.0.33 unaffected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2025-71339

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Picklescan - Arbitrary Code Execution via numpy.f2py.crackfortran._eval_length Gadget
Source: CVE Program / CVE List V5
Vulnerability Description
Picklescan before 0.0.33 fails to detect the numpy.f2py.crackfortran._eval_length gadget in pickle __reduce__ methods, allowing arbitrary code execution. Attackers can craft malicious pickle files that execute arbitrary Python code when loaded by victims who trust Picklescan's safety validation.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
Picklescan 反序列化注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
picklescan picklescan是picklescan公司的一款Python反序列化漏洞扫描工具。 Picklescan 0.0.33之前版本存在反序列化注入漏洞，该漏洞源于无法检测numpy.f2py.crackfortran._eval_length gadget，可能导致攻击者构建恶意pickle文件，当受害者加载时执行任意Python代码。
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-2025-71339

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 6941 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-2025-71339

请登录查看更多情报信息。

Vendor Advisories for CVE-2025-71339 (1)

Other References for CVE-2025-71339 (1)

Same Patch Batch · Picklescan · 2026-06-22 · 3 CVEs total

CVE-2025-71344 8.1 HIGH picklescan - Arbitrary Code Execution via Undetected ensurepip._run_pip Function
CVE-2025-71358 8.1 HIGH picklescan - Remote Code Execution via idlelib.autocomplete.AutoComplete.get_entity

IV. Related Vulnerabilities

Same product: Picklescan
Same vendor: Picklescan
Same weakness: CWE-502

V. Comments for CVE-2025-71339

No comments yet

Leave a comment