Laravel Framework: CRLF injection in default email rule
Summary
A CRLF injection vulnerability in Laravel's email validation, in combination with how Symfony Mailer and Symfony Mime handle certain character sequences, may allow an unauthenticated attacker to interfere with outbound email processing in applications that send mail to user-supplied addresses.
Description
Laravel applications that send email to addresses provided by users — for example during authentication flows or contact forms — may be vulnerable to manipulation of outbound mail content if the address is not adequately sanitized before it reaches the mail transport layer. An attacker who can supply an email address to such a flow may, under certain conditions, be able to influence the content of emails sent by the application, cause those emails to be delivered to unintended recipients, or cause the application's mail server to send unintended messages.
Impact
Affected applications may be exposed to unauthorized access and mail relay abuse. The severity depends on what the application sends by email and how its mail infrastructure is configured.
Remediation
Upgrade to version 12.60.0 or later, or 13.10.0 or later.
Software afectado
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| Plataforma | Paquete | Versiones vulnerables | Corregida en |
|---|---|---|---|
| Paquete de Composer | laravel/framework | >= 13.0.0, < 13.10.0, < 12.60.0 | 13.10.0, 12.60.0 |
Referencias
- Vector CVSS
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L- Debilidad (CWE)
CWE-93- Plataforma
- Composer
- Paquete
laravel/framework- Publicada
- 17.06.2026
- Actualizado
- 11.10.2026 10:22
Fuentes y licencias
OSV / GitHub Advisory Database - GHSA-5vg9-5847-vvmq - CC BY 4.0
Historial de vulnerabilidades: laravel/framework
Todas las vulnerabilidades publicadas de este paquete (Paquete de Composer), de la más reciente a la más antigua. Muestra si es un fallo aislado o un paquete que hay que vigilar.
- Entradas en total
- 26
- Primera → última
- 01.2021 09.2026
- Sin corrección
- 0
- Explotada en ataques
- 1
Distribución por gravedad
- Crítica 2
- Alta 11
- Media 12
- Baja 1
Divulgaciones por año
- 2021: 5
- 2022: 5
- 2023: 0
- 2024: 10
- 2025: 3
- 2026: 3
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Laravel Framework: CRLF injection in default email rule esta entrada
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