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CVE-2026-71434— Statamic: Missing file upload validation on frontend forms allows uploading disallowed file types

Quick assessment

Affected
statamic cms
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.

Statamic cms是美国Statamic公司的一个内容管理系统。 Statamic CMS 5.74.3之前版本和6.24.2之前版本存在任意文件上传漏洞，该漏洞源于公共前端表单未强制执行控制面板的文件上传限制，可能导致未经身份验证的访问者上传管理员禁止的文件类型，并存储在公开可访问的磁盘上。

CVSS 5.3 · Medium EPSS 0.41% · P33

Affected Version Matrix 2

VendorProduct Version RangeStatus
statamic cms < 5.74.3 affected
>= 6.0.0, < 6.24.2 affected
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I. Basic Information for CVE-2026-71434

Vulnerability Information
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Vulnerability Title
Statamic: Missing file upload validation on frontend forms allows uploading disallowed file types
Source: CVE Program / CVE List V5
Vulnerability Description
Statamic is a Laravel and Git powered content management system (CMS). Prior to 5.74.3 and 6.24.2, public frontend forms did not enforce the file upload restrictions that the Control Panel enforces, so an unauthenticated visitor could upload file types an administrator had intended to disallow through a form's assets or files field, and for assets fields, files could be stored on a public, web-accessible disk, though the application's global upload allowlist still blocked executable types such as .php and .html. This issue is fixed in versions 5.74.3 and 6.24.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
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
Statamic CMS 任意文件上传漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Statamic cms是美国Statamic公司的一个内容管理系统。 Statamic CMS 5.74.3之前版本和6.24.2之前版本存在任意文件上传漏洞，该漏洞源于公共前端表单未强制执行控制面板的文件上传限制，可能导致未经身份验证的访问者上传管理员禁止的文件类型，并存储在公开可访问的磁盘上。
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
statamic cms < 5.74.3 -

II. Public POCs for CVE-2026-71434

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III. Intelligence Information for CVE-2026-71434

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Patches & Fixes for CVE-2026-71434 (3)

Vendor Advisories for CVE-2026-71434 (1)

Vendor Pages for CVE-2026-71434 (1)

Same Patch Batch · statamic · 2026-08-06 · 6 CVEs total

CVE-2026-64665 8.1 HIGH Statamic: Account takeover via OAuth email matching without email-verification check
CVE-2026-64662 6.5 MEDIUM Statamic: Missing authorization on navigation endpoint allows disclosure of restricted ent
CVE-2026-64663 6.5 MEDIUM Statamic: Unsafe method invocation via Antlers template resolution allows data destruction
CVE-2026-71435 6.1 MEDIUM Statamic: Stored Cross-Site Scripting in Automagic Form Notification Email Template
CVE-2026-64664 4.3 MEDIUM Statamic: Missing authorization on Control Panel endpoint allows disclosure of user existe

IV. Related Vulnerabilities

Same product: cms
Same vendor: statamic
Same weakness: CWE-434

V. Comments for CVE-2026-71434

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