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CVE-2026-53594— FreeScout has Arbitrary File Read in App Logs Viewer via Forged Encrypted Path

Quick assessment

Affected
freescout-help-desk freescout
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.

FreeScout是FreeScout公司开源的一个使用 PHP(Laravel 框架)构建的超轻量级且功能强大的免费开源帮助台和共享收件箱。 FreeScout 1.8.224之前版本存在路径遍历漏洞,该漏洞源于路径解析逻辑存在缺陷,在应用 限制前接受任意现有绝对路径,可能导致可访问App Logs路由的攻击者伪造有效的Laravel加密 参数,从而下载服务器本地任意文件。

CVSS 4.9 · Medium EPSS 0.53% · P44

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System

Affected Version Matrix 1

VendorProduct Version RangeStatus
freescout-help-desk freescout < 1.8.224 affected
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I. Basic Information for CVE-2026-53594

Vulnerability Information

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Vulnerability Title
FreeScout has Arbitrary File Read in App Logs Viewer via Forged Encrypted Path
Source: CVE Program / CVE List V5
Vulnerability Description
FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. FreeScout's `Manage -> Logs -> App Logs` feature uses the bundled `rap2hpoutre/laravel-log-viewer` override to decrypt a user-supplied file identifier and then pass the resolved path to Laravel's download response. Prior to version 1.8.224, the path resolution logic accepts any existing absolute path before applying the intended `storage/logs` restriction. As a result, an attacker who can access the App Logs route and forge a valid Laravel-encrypted `dl` parameter can download arbitrary server-local files readable by the PHP process, not just log files. Version 1.8.224 contains a fix.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
FreeScout 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FreeScout是FreeScout公司开源的一个使用 PHP(Laravel 框架)构建的超轻量级且功能强大的免费开源帮助台和共享收件箱。 FreeScout 1.8.224之前版本存在路径遍历漏洞,该漏洞源于路径解析逻辑存在缺陷,在应用`storage/logs`限制前接受任意现有绝对路径,可能导致可访问App Logs路由的攻击者伪造有效的Laravel加密`dl`参数,从而下载服务器本地任意文件。
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
freescout-help-desk freescout < 1.8.224 -

II. Public POCs for CVE-2026-53594

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III. Intelligence Information for CVE-2026-53594

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Vendor Advisories for CVE-2026-53594 (1)

Same Patch Batch · freescout-help-desk · 2026-07-20 · 8 CVEs total

CVE-2026-53595 9.4 CRITICAL FreeScout vulnerable to anonymous account takeover via /user-setup empty invite_hash on My
CVE-2026-53593 8.8 HIGH FreeScout Vulnerable to Authenticated Remote Code Execution via incomplete upload extensio
CVE-2026-53591 8.6 HIGH FreeScout Vulnerable to Unauthenticated Conversation Thread Injection via HMAC Length Bypa
CVE-2026-48812 7.5 HIGH FreeScout Allows Unauthenticated Access to Legacy Attachment Files
CVE-2026-45295 6.5 MEDIUM FreeScout Vulnerable to Unauthenticated Thread Read-Status Manipulation and Conversation E
CVE-2026-53596 5.3 MEDIUM FreeScout has unrestricted file upload without rate limiting that leads to resource exhaus
CVE-2026-53592 4.6 MEDIUM FreeScout vulnerable to prototype pollution in getQueryParam

IV. Related Vulnerabilities

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