External risk intelligence

Attacker can move files anywhere by exploiting Enterprise Framework for Web.

CVE advisorySeverity: CRITICAL (CVSS 9.3)

CVE-2026-44258

A critical flaw in Enterprise Framework for Web allows attackers to move files anywhere, bypassing security controls. This could lead to data breaches or system disruption.

3Halo Surface Signal

OS Command Injection

External exposure likelihood

Halo Surface Signal score for CVE-2026-44258

The vulnerability resides in a file management interface within a web framework. While web applications are frequently internet-facing, this specific component is typically an internal administrative function, making public internet exposure possible for some deployments but not the standard or intended configuration for this feature.

Horizon Alert

Summary of the vulnerability and why it matters

A critical security flaw exists in Enterprise Framework for Web where an attacker can bypass protections to copy or move files to any location. This could expose sensitive data or disrupt operations if exploited.

  • Allows unauthorized file manipulation.
  • Impacts systems using the affected framework.
  • Needs prompt attention and mitigation.

Attack Path

How an attacker could exploit the issue

An unauthenticated attacker can exploit this by crafting a malicious request to the file management feature, likely via a web interface. This would allow them to bypass security controls and move or copy sensitive files from the application's environment to any location the web server process can write to.

  • No authentication required.
  • Targets file copy/move functionality.
  • Path traversal bypasses protection.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability could be attractive to attackers due to its bypass of security controls and ability to move files to arbitrary locations. However, the exploitation requires interaction with a specific file management function, which may limit widespread, automated attacks. The current threat landscape for this CVE remains uncertain without more specific deployment information.

  • Likely targeted if accessible.
  • No known exploit or KEV.
  • Published recently.

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

Prioritize patching or updating efw4.X to version 4.08.010 to address the critical path traversal vulnerability in the elfinder_paste function. If immediate patching is not feasible, isolate or disable the elfinder component to prevent exploitation via destination parameter manipulation.

  • Update efw4.X to 4.08.010.
  • Isolate elfinder or disable file operations.
  • Monitor for unauthorized file modifications.

Frequently asked questions

What is Enterprise Framework for Web (efw4.X)?

Enterprise Framework for Web (efw4.X) is a web development framework used to build web applications. It provides tools and functionalities for creating and managing web-based software solutions.

What is CVE-2026-44258 in efw4.X?

CVE-2026-44258 is a critical path traversal vulnerability in efw4.X. It allows an attacker to bypass security controls and move or copy files to any destination on the server by manipulating a file operation function.

How can an attacker exploit CVE-2026-44258?

An attacker can exploit this by sending a specially crafted request to the file management feature. This request would exploit a weakness in how the destination parameter is handled, allowing the attacker to specify a path outside of the intended file directory.

Who should care about this vulnerability?

Organizations using efw4.X should care. While the file management feature might be internal, it's possible for internet-facing applications to have such components, making this a potential concern for systems accessible from the internet.

What is the first step to address this vulnerability?

The primary step is to update efw4.X to version 4.08.010, which contains the fix for this vulnerability. If an immediate update is not possible, consider disabling or isolating the elfinder component.

References