EUVD-2026-24141

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, FreeScout's linkify function in app/Misc/Helper.php converts plain-text URLs in email bodies into HTML anchor tags without escaping double-quote characters " in the URL. HTMLPurifier called first via...

CVE-2026-40498 FreeScout has Authentication Bypass and Information Disclosure in SystemController via /system/cron

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, an unauthenticated attacker can access diagnostic and system tools that should be restricted to administrators. The /system/cron endpoint relies on a static MD5 hash derived from the APPKEY, which is exposed i...

CVE-2026-40498

FreeScout prior to 1.8.213 exposes an unauthenticated /system/cron endpoint that uses a static MD5 hash derived from APP_KEY (md5(APP_KEY . 'web_cron_hash')), which can leak sensitive server data via the response/logs. This enables Full Path Disclosure, reveals process IDs, and allows automated r...

CVE-2026-40498 FreeScout has Authentication Bypass and Information Disclosure in SystemController via /system/cron

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, an unauthenticated attacker can access diagnostic and system tools that should be restricted to administrators. The /system/cron endpoint relies on a static MD5 hash derived from the APPKEY, which is exposed i...

CVE-2026-40497

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, FreeScout's Helper::stripDangerousTags removes , , , but does NOT strip tags. The mailbox signature field is saved via POST /mailbox/settings/id and later rendered unescaped via !!...

CVE-2026-40496

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, attachment download tokens are generated using a weak and predictable formula: md5APPKEY + attachmentid + size. Since attachmentid is sequential and size can be brute-forced in a small range, an unauthenticate...

EUVD-2026-24052

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, FreeScout's Helper::stripDangerousTags removes , , , but does NOT strip tags. The mailbox signature field is saved via POST /mailbox/settings/id and later rendered unescaped via !!...

CVE-2026-40497

Summary (concrete details available) : FreeScout prior to version 1.8.213 is vulnerable to CSS injection in the mailbox signature due to incomplete stripping of dangerous tags: stripDangerousTags() removes script/form/iframe/object but not style, allowing inline CSS to exfiltrate CSRF tokens. An ...

CVE-2026-40497

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, FreeScout's Helper::stripDangerousTags removes...

EUVD-2026-24049

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, attachment download tokens are generated using a weak and predictable formula: md5APPKEY + attachmentid + size. Since attachmentid is sequential and size can be brute-forced in a small range, an unauthenticate...

CVE-2026-40496 FreeScout has Predictable Attachment Token that Allows Unauthenticated Private File Download via Brute Force

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, attachment download tokens are generated using a weak and predictable formula: md5APPKEY + attachmentid + size. Since attachmentid is sequential and size can be brute-forced in a small range, an unauthenticate...

CVE-2026-40496

CVE-2026-40496 affects FreeScout prior to version 1.8.213, where attachment download tokens were created with a weak formula: md5(APP_KEY + attachment_id + size). Because attachment_id is sequential and size brute-forcible, an unauthenticated attacker can forge valid tokens and download private a...

CVE-2026-40496

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, attachment download tokens are generated using a weak and predictable formula: md5APPKEY + attachmentid + size. Since attachmentid is sequential and size can be brute-forced in a small range, an unauthenticate...

CVE-2026-40496 FreeScout has Predictable Attachment Token that Allows Unauthenticated Private File Download via Brute Force

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, attachment download tokens are generated using a weak and predictable formula: md5APPKEY + attachmentid + size. Since attachmentid is sequential and size can be brute-forced in a small range, an unauthenticate...

CVE-2026-40496 FreeScout has Predictable Attachment Token that Allows Unauthenticated Private File Download via Brute Force

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, attachment download tokens are generated using a weak and predictable formula: md5APPKEY + attachmentid + size. Since attachmentid is sequential and size can be brute-forced in a small range, an unauthenticate...

PT-2026-34031

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.215, MailboxesController::updateSave persists chat start new outside the allowed-field filter. A user with only the mailbox sig permission sees only the signature field in the UI, but can still change the hidden...

PT-2026-33910

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, attachment download tokens are generated using a weak and predictable formula: md5APP KEY + attachment id + size. Since attachment id is sequential and size can be brute-forced in a small range, an...

PT-2026-34020

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, the load customer info action in POST /conversation/ajax returns complete customer profile data to any authenticated user without verifying mailbox access. An attacker only needs a valid email address to...

FreeScout 安全漏洞

FreeScout is a lightweight and powerful free open-source help desk and shared inbox built using PHP Laravel framework by FreeScout Inc. Versions of FreeScout prior to 1.8.215 contained security vulnerabilities. These vulnerabilities stemmed from a weak AJAX path for the savedraft function when th...

PT-2026-34026

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.214, the phone-conversation creation flow accepts attacker-controlled customer id, name, to email, and phone values and resolves the target customer in the backend without enforcing mailbox-scoped customer...