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CVE-2026-72593— dulldusk phpfm - Missing Authentication by Default Allows Full Filesystem Access

Quick assessment

Affected
dulldusk phpfm
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.

Dulldusk phpfm是Dulldusk个人开发者的一款文件管理组件。 Dulldusk phpfm 1.8.0及之前版本存在授权问题漏洞，该漏洞源于缺少身份验证，由于默认配置中auth_pass为空字符串导致身份验证条件始终为真，未经身份验证的远程攻击者可访问完整文件管理器功能，包括读取、写入、删除和上传服务器文件系统中的任意文件。

CVSS 9.8 · Critical EPSS 0.79% · P56

Affected Version Matrix 1

VendorProduct Version RangeStatus
dulldusk phpfm ≤ 1.8.0 affected
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I. Basic Information for CVE-2026-72593

Vulnerability Information
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Vulnerability Title
dulldusk phpfm - Missing Authentication by Default Allows Full Filesystem Access
Source: CVE Program / CVE List V5
Vulnerability Description
A missing authentication vulnerability in dulldusk/phpfm through 1.8.0 allows an unauthenticated remote attacker to access the full file manager functionality including reading, writing, deleting, and uploading files anywhere on the server filesystem.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Dulldusk phpfm 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dulldusk phpfm是Dulldusk个人开发者的一款文件管理组件。 Dulldusk phpfm 1.8.0及之前版本存在授权问题漏洞，该漏洞源于缺少身份验证，由于默认配置中auth_pass为空字符串导致身份验证条件始终为真，未经身份验证的远程攻击者可访问完整文件管理器功能，包括读取、写入、删除和上传服务器文件系统中的任意文件。
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
dulldusk phpfm 0 ~ 1.8.0 -

II. Public POCs for CVE-2026-72593

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 7357 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-2026-72593

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Proof of Concept for CVE-2026-72593 (2)

IV. Related Vulnerabilities

Same product: phpfm
Same vendor: dulldusk
Same weakness: CWE-306