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CVE-2026-72557— Cockpit CMS Cockpit CMS - Unrestricted File Upload

Quick assessment

Affected
Cockpit CMS Cockpit CMS
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.

Cockpit CMS是Cockpit组织的一款内容管理系统。 Cockpit CMS 2.6.0及之前版本存在任意文件上传漏洞，该漏洞源于未限制文件上传，允许通过资产上传端点上传任意扩展名文件（包括PHP脚本），且上传文件存储在Web可访问目录，可能导致已认证攻击者上传PHP webshell并执行任意操作系统命令。

CVSS 8.8 · High EPSS 0.48% · P39

Affected Version Matrix 1

VendorProduct Version RangeStatus
Cockpit CMS Cockpit CMS ≤ 2.6.0 affected
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I. Basic Information for CVE-2026-72557

Vulnerability Information
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Vulnerability Title
Cockpit CMS Cockpit CMS - Unrestricted File Upload
Source: CVE Program / CVE List V5
Vulnerability Description
An unrestricted file upload vulnerability in Cockpit CMS 2.6.0 allows authenticated users to upload files of any extension including PHP scripts via the asset upload endpoint. The allowed_uploads configuration defaults to wildcard (*) and uploaded files are stored in a web-accessible directory. An attacker with any authenticated account can upload a PHP webshell and execute arbitrary OS commands on the server.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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
Cockpit CMS 任意文件上传漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cockpit CMS是Cockpit组织的一款内容管理系统。 Cockpit CMS 2.6.0及之前版本存在任意文件上传漏洞，该漏洞源于未限制文件上传，允许通过资产上传端点上传任意扩展名文件（包括PHP脚本），且上传文件存储在Web可访问目录，可能导致已认证攻击者上传PHP webshell并执行任意操作系统命令。
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
Cockpit CMS Cockpit CMS 0 ~ 2.6.0 -

II. Public POCs for CVE-2026-72557

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 7090 chars
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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
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III. Intelligence Information for CVE-2026-72557

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Other References for CVE-2026-72557 (1)

IV. Related Vulnerabilities

Same product: Cockpit CMS
Same vendor: Cockpit CMS
Same weakness: CWE-434

V. Comments for CVE-2026-72557

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