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.
Advisories

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Fixes

Solution

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Workaround

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History

Sat, 05 Sep 2026 02:00:00 +0000

Type Values Removed Values Added
First Time appeared Laravel
Laravel framework
Vendors & Products Laravel
Laravel framework

Fri, 04 Sep 2026 22:30:00 +0000

Type Values Removed Values Added
Description 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.
Title CRLF injection in Laravel's default email rule enables SMTP smuggling and spoofed-mail relay
Weaknesses CWE-93
References
Metrics cvssV3_1

{'score': 8.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-09-04T22:11:40.811Z

Reserved: 2026-05-20T17:44:09.587Z

Link: CVE-2026-48019

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-04T23:17:09.143

Modified: 2026-09-04T23:17:09.143

Link: CVE-2026-48019

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-05T01:45:17Z

Weaknesses