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

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-4337— Unrestricted Upload of File in PuMuKIT application

Quick assessment

Affected
PuMuKIT PuMuKIT
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

PuMuKIT 应用存在“危险类型文件不受限制上传”漏洞，允许未认证用户上传任意类型的文件至服务器，并可上传至 Web 服务器用户拥有写权限的任意路径。此外，该漏洞还可能允许攻击者删除文件。

CVSS 8.8 · High
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-4337

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
Unrestricted Upload of File in PuMuKIT application
Source: CVE Program / CVE List V5
Vulnerability Description
Unrestricted Upload of File with Dangerous Type vulnerability in the PuMuKIT application allows a unauthenticated user to upload any type of file to the server, and to any path where the web server user has write permissions. This could also allow them to delete files.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:L/SI:L/SA:L
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
PuMuKIT PuMuKIT current version -

II. Public POCs for CVE-2026-4337

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-4337

请登录查看更多情报信息。

Other References for CVE-2026-4337 (1)

IV. Related Vulnerabilities

Same weakness: CWE-434