CVE-2026-48019

CRLF injection in Laravel's default email rule enables SMTP smuggling and spoofed-mail relay

Published: Sep 4, 2026Updated: Sep 10, 2026 Sources: CVE List NVDCWE-93

8.9HIGH

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:HAttack Complexity

High

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:CScope

Changed

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:LAvailability

Low

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Weaknesses

CWE-93

Affected Products

laravel

oss-project·USaka laravel framework, livewire

frameworkOn-prem

OSS Libraries / web-framework

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

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References

https://github.com/laravel/framework/commit/96e9a663db657cf37ef26cd794fda8ff60eaa451

github.com

https://github.com/laravel/framework/commit/f336ba79e744257f84ebf0d096b0ebc62e8e1a4d

github.com

https://github.com/laravel/framework/pull/60151

github.com

and 3 more references View all →

News mentions

⚡ Weekly Recap: Instagram Account Hacks, Android Zero-Day, GitHub Worm and More
en·The Hacker News·Jun 8, 2026 Roundup GitHub repositories supply-chain

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