CVE-2023-52268

FreeScout 최종 사용자 포털 인증 우회 익스플로잇 CVE-2023-52268 개요 이 익스플로잇은 FreeScout 최종 사용자 포털 모듈버전 1.0.65 미만의 취약점을 대상으로 하며, 부적절한 세션 토큰 관리를 통해 공격자가 인증을 우회할 수 있게 합니다. 세션 토큰을 생성하고 테스트함으로써 공격자는 티켓 시스템에 무단으로 접근하여 사용자를 가장하고 해당 사용자의 지원 티켓에 접근할 수 있습니다. 결정적으로, 생성된 세션 토큰은 매직 링크 인증을 요청한 사용자가 아닌 다른 사용자에게 매핑되므로, 공격자가 임의의 사용...

CVE-2026-53595_exploit

CVE-2026-53595（+ CVE-2026-53593）— FreeScout 匿名ATO → RCE FreeScout ≤ 1.8.223 （Laravel製ヘルプデスク）における非認証のリモートコード実行。2つの欠陥を連鎖させることで実現するもので、いずれも1.8.224 で修正されています： CVE-2026-53595 — 匿名のアカウント乗っ取り 。POST /user-setup/hash/invitesentat は invitehash カラムのみでアカウントを特定します。 有効化済み ユーザーの invitehash は '' ですが、MySQL/MariaD...

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” メール添付ファイルのバイパスによる FreeScout のゼロクリック未認証 RCE 📖 概要 CVE-2026-28289 （通称 Mail2Shell ）は、FreeScout に影響を及ぼす重大なゼロクリックのリモートコード実行 RCE 脆弱性です。 攻撃者は、特別に細工したメールを FreeScout のメールボックスに送信するだけで、認証もユーザーの操作も一切なしに、基盤となるサーバーへのリモートシェルアクセス を獲得できます。 🧠 脆弱性の概要 ⚙️ 技術詳細 📨 ステップ 1 — 悪意のあるメールの配信...

CVE-2026-27636

FreeScout 検出・フィンガープリンティングツール FreeScout のデプロイを検出し、CVE-2026-28289 に関連する露出を分析するためのパッシブ偵察・フィンガープリンティングツールです。 このスクリプトは、悪用ではなく安全なインフラストラクチャ情報収集に重点を置いています。 研究者や防御者が、FreeScout インスタンスが実環境でどのようにデプロイされているかを理解するのに役立ちます。...

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） root@kitploit: 受影响版本 1.8.211（最新版） 复现步骤 创建两个会话（convid=1 ...

Exploit for CVE-2026-53595

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

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-2026-53596

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-2026-53595

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-2026-53596 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-2026-53593

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 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 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 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...

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

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-2026-53594

Summary: CVE-2026-53594 affects FreeScout (PHP/Laravel) where the App Logs viewer can read arbitrary server files due to a flawed path resolution in the rap2hpoutre/laravel-log-viewer override. Before v1.8.224, the code accepts any existing absolute path prior to applying the storage/logs restric...