Laravel CRLF Injection Flaw Could Disrupt Outbound Email Handling

Gbhackers •Divya • June 3, 2026

A high-severity vulnerability in the Laravel framework could allow attackers to manipulate outbound email processing, potentially leading to unauthorized message delivery, data exposure, or the abuse of mail relays. The issue, tracked as CVE-2026-48019, stems from improper neutralization of CRLF (Carriage Return Line Feed) sequences in Laravel’s default email validation logic. The vulnerability is documented […]

The full story

This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

High-Severity Laravel CRLF Injection Vulnerability Discovered A critical CRLF injection vulnerability in the Laravel framework, tracked as CVE-2026-48019, could allow attackers to manipulate outbound email processing in affected applications. This flaw affects Laravel versions up to 13.9.0 and versions before 12.60.0, potentially leading to unauthorized message delivery and data exposure. The vulnerability arises from improper neutralization of CRLF sequences in the framework's default email validation logic. Patches have been released in versions 13.10.0 and 12.60.0 to address this issue. Security professionals are urged to update their systems promptly to mitigate risks associated with this vulnerability. 2 sources 72

Extracted Entities

Laravel CRLF Injection Flaw Could Disrupt Outbound Email Handling

The full story

Extracted Entities

Attack Types (1)

CVEs (1)

CWE Weaknesses (1)

Platforms (1)

Vulnerabilities (1)