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CVE-2026-44260— efw4.X: readonly Flag Not Enforced Server-Side

CVSS 8.1 · High EPSS 0.03% · P8

Possible ATT&CK Techniques 1AI

T1552.007 · Container API

Affected Version Matrix 1

VendorProductVersion RangeStatus
efwGrpefw4.X< 4.08.010affected
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I. Basic Information for CVE-2026-44260

Vulnerability Information
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Vulnerability Title
efw4.X: readonly Flag Not Enforced Server-Side
Source: NVD (National Vulnerability Database)
Vulnerability Description
efw4.X is an Enterprise Framework for Web. Prior to 4.08.010, the readonly flag set on the <efw:elFinder> JSP tag is intended to prevent file modifications. When protected=true, elfinder_checkRisk enforces that the client sends readonly=true (matching the session value), but no event handler checks the readonly value before performing write operations. The flag only controls client-side UI elements (disabling buttons) and response metadata (write: 0, locked: 1). An attacker who sends requests directly (bypassing the UI) can perform all file operations despite readonly=true. This vulnerability is fixed in 4.08.010.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制不正确
Source: NVD (National Vulnerability Database)
Vulnerability Title
EFW Framework 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
EFW Framework是efw group开源的一个基于Ajax和服务端JavaScript的企业级Web开发框架。 EFW Framework 4.08.010之前版本存在安全漏洞，该漏洞源于readonly标志仅控制客户端UI元素，未在事件处理程序中检查，可能导致绕过只读限制执行文件操作。
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

VendorProductAffected VersionsCPESubscribe
efwGrpefw4.X < 4.08.010 -

II. Public POCs for CVE-2026-44260

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III. Intelligence Information for CVE-2026-44260

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Same Patch Batch · efwGrp · 2026-05-12 · 4 CVEs total

CVE-2026-442594.6 MEDIUMefw4.X: Stored XSS via previewServlet
CVE-2026-44257efw4.X: RCE via zipslip
CVE-2026-44258efw4.X: Path Traversal via Unchecked dst Parameter leads to Remote Code Execution

IV. Related Vulnerabilities

Same product: efw4.X
Same vendor: efwGrp
Same weakness: CWE-863

V. Comments for CVE-2026-44260

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