CVE-2023-52268

FreeScout End-User Portal 认证绕过漏洞利用（CVE-2023-52268） 概述 此漏洞利用针对 FreeScout End-User Portal 模块 （1.0.65 以下版本）中的漏洞，该漏洞允许攻击者通过不当的会话令牌管理绕过认证。通过生成并测试会话令牌，攻击者可未授权访问工单系统，冒充用户并访问其支持工单。关键在于，生成的会话令牌会被映射到其他用户（而非请求魔法链接认证的用户），从而允许攻击者冒充任意用户。如果管理账户的会话被攻破，攻击者将获得对平台上所有支持工单的完全访问权限。 为什么 该漏洞利用 FreeScout End-User Portal...

CVE-2026-53595_exploit

CVE-2026-53595 + CVE-2026-53593 — FreeScout 匿名 ATO → RCE 通过串联两个漏洞实现在 FreeScout ≤ 1.8.223 （一个 Laravel 帮助台）上的未认证远程代码执行，这两个漏洞均在 1.8.224 中修复： CVE-2026-53595 — 匿名账户接管 。POST /user-setup/hash/invitesentat 仅通过 invitehash 列选取账户。一个已激活 的用户其 invitehash = ''，而在 MySQL/MariaDB 上 VARCHAR 相等比较忽略尾部空格 ，因此 hash = %2...

FreeScout < 1.8.224 - Invite Hash Authorization Bypass

FreeScout prior to 1.8.224 contains an authentication bypass caused by improper invitehash handling and decryption failure in user setup endpoint, letting anonymous attackers reset credentials and log in as the lowest-id activated user, exploit requires no authentication. id: CVE-2026-53595 info:...

CVE-2026-28289

🚨 CVE-2026-28289 — “Mail2Shell” 通过邮件附件绕过实现 FreeScout 零点击未授权 RCE 📖 概述 CVE-2026-28289 ，别名为 Mail2Shell ，是一个影响 FreeScout 的严重零点击远程代码执行（RCE）漏洞。 攻击者可以向 FreeScout 邮箱发送一封特制邮件，从而在无需身份验证、无需用户交互的情况下获得底层服务器的远程 shell 访问权限 。 🧠 漏洞摘要 字段| 值 ---|--- CVE ID| CVE-2026-28289 严重程度| 🔴 严重 CVSS| 10.0（最高） 攻击向量| 远程（邮件）...

CVE-2026-27636

被动侦察与指纹识别工具：检测 FreeScout 部署并分析与 CVE-2026-28289 相关的暴露面 该脚本专注于安全的基础设施情报收集，而非漏洞利用。 它帮助研究人员和防御者了解 FreeScout 实例在真实环境中的部署方式。...

CVE-2026-35584

CVE-2026-35584 POC - CVE-2026-35584 FreeScout 描述 摘要 端点 GET /thread/read/conversationid/threadid 不需要身份验证，并且不验证给定的 threadid 是否属于给定的 conversationid。这允许任何未经身份验证的攻击者： 通过传递任意 ID 将任何线程标记为已读 通过 HTTP 响应代码（200 与 404）枚举有效的线程 ID 跨会话操纵 openedat 时间戳（IDOR） 受影响版本 1.8.211（最新版） 复现步骤 创建两个会话（convid=1 和 convid=2） 在会话...

Exploit for CVE-2026-53595

CVE-2026-53595 + CVE-2026-53593 — FreeScout Anonymous ATO →...

CVE-2026-53596

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.224, the FreeScout helpdesk application does not enforce rate limiting on the file upload endpoint. Any user can flood the server with upload requests, leading to database overload and potentia...

CVE-2026-53594

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...

CVE-2026-53595

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.224, the public endpoint POST /user-setup/hash/invitesentat OpenController@userSetupSave selects the target account solely by its invitehash column, then overwrites that account's email and...

EUVD-2026-46095

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.224, the FreeScout helpdesk application does not enforce rate limiting on the file upload endpoint. Any user can flood the server with upload requests, leading to database overload and potentia...

CVE-2026-53596 FreeScout has unrestricted file upload without rate limiting that leads to resource exhaustion (DoS)

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.224, the FreeScout helpdesk application does not enforce rate limiting on the file upload endpoint. Any user can flood the server with upload requests, leading to database overload and potentia...

CVE-2026-53596 FreeScout has unrestricted file upload without rate limiting that leads to resource exhaustion (DoS)

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.224, the FreeScout helpdesk application does not enforce rate limiting on the file upload endpoint. Any user can flood the server with upload requests, leading to database overload and potentia...

CVE-2026-53596 FreeScout has unrestricted file upload without rate limiting that leads to resource exhaustion (DoS)

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.224, the FreeScout helpdesk application does not enforce rate limiting on the file upload endpoint. Any user can flood the server with upload requests, leading to database overload and potentia...

CVE-2026-53596

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.224, the FreeScout helpdesk application does not enforce rate limiting on the file upload endpoint. Any user can flood the server with upload requests, leading to database overload and potentia...

CVE-2026-53593

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.224, the denylist that neutralizes dangerous file uploads Helper::$restrictedextensions is incomplete: it does not cover the .pht extension. The authenticated upload endpoint POST /uploads/uplo...

CVE-2026-53595

FreeScout prior to v1.8.224 is vulnerable to anonymous account takeover via POST /user-setup/{hash}/{invite_sent_at}. The endpoint authenticates solely by invite_hash; an attacker can overwrite the target account’s email and password and log in without authentication. After activation, invite_has...

CVE-2026-53595 FreeScout vulnerable to anonymous account takeover via /user-setup empty invite_hash on MySQL

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.224, the public endpoint POST /user-setup/hash/invitesentat OpenController@userSetupSave selects the target account solely by its invitehash column, then overwrites that account's email and...

CVE-2026-53595

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.224, the public endpoint POST /user-setup/hash/invitesentat OpenController@userSetupSave selects the target account solely by its invitehash column, then overwrites that account's email and...

CVE-2026-53595 FreeScout vulnerable to anonymous account takeover via /user-setup empty invite_hash on MySQL

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.224, the public endpoint POST /user-setup/hash/invitesentat OpenController@userSetupSave selects the target account solely by its invitehash column, then overwrites that account's email and...