CVE-2026-25099— Remote Code Execution via Unrestricted File Upload in Bludit
Quick assessment
Affected
Bludit Bludit
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.
Bludit是Bludit开源的一套开源的轻量级博客内容管理系统（CMS）。 Bludit存在代码问题漏洞，该漏洞源于允许经过身份验证的攻击者上传任意类型文件，可能导致远程代码执行。
Public Exploits 1
ExploitDB · 1
EDB-52553 [webapps]
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I. Basic Information for CVE-2026-25099
Vulnerability Information
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Vulnerability Title
Remote Code Execution via Unrestricted File Upload in Bludit
Source: CVE Program / CVE List V5
Vulnerability Description
Bludit’s API plugin allows an authenticated attacker with a valid API token to upload files of any type and extension without restriction, which can then be executed, leading to Remote Code Execution.
This issue was fixed in 3.18.4.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/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
Vulnerability Title
Bludit 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Bludit是Bludit开源的一套开源的轻量级博客内容管理系统（CMS）。 Bludit存在代码问题漏洞，该漏洞源于允许经过身份验证的攻击者上传任意类型文件，可能导致远程代码执行。
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
II. Public POCs for CVE-2026-25099
| # | POC Description | Source Link | Shenlong Link |
|---|
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Security Blog Posts for CVE-2026-25099 (1)
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Podatności w oprogramowaniu Bludit | CERT Polska third-party-advisory
Vendor Pages for CVE-2026-25099 (1)
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Release Bludit 3.18.4 · bludit/bludit · GitHub release-notes
Same Patch Batch · Bludit · 2026-03-27 · 3 CVEs total
| CVE-2026-25100 | Stored XSS via SVG File Upload in Bludit | |
| CVE-2026-25101 | Session Fixation in Bludit |
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Same weakness: CWE-434
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V. Comments for CVE-2026-25099
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