CVE-2026-48019
CRLF injection in Laravel's default email rule enables SMTP smuggling and spoofed-mail relay
CVSS Score
8.9
EPSS Score
0.0%
EPSS Percentile
0th
Laravel is a web application framework. Prior to versions 12.60.0 and 13.10.0, 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. This issue has been patched in versions 12.60.0 and 13.10.0.
| CWE | CWE-93 |
| Vendor | laravel |
| Product | framework |
| Published | Sep 4, 2026 |
| Last Updated | Sep 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
Low
Affected Versions
laravel / framework
>= 13.0.0, < 13.10.0 < 12.60.0
References
github.com: https://github.com/laravel/framework/security/advisories/GHSA-5vg9-5847-vvmq github.com: https://github.com/laravel/framework/pull/60151 github.com: https://github.com/laravel/framework/commit/96e9a663db657cf37ef26cd794fda8ff60eaa451 github.com: https://github.com/laravel/framework/commit/f336ba79e744257f84ebf0d096b0ebc62e8e1a4d github.com: https://github.com/laravel/framework/releases/tag/v12.60.0 github.com: https://github.com/laravel/framework/releases/tag/v13.10.0