Laravel CRLF Injection Vulnerability Enables an Attacker to Interfere with Outbound Email Processing

Cybersecuritynews •Abinaya • June 3, 2026

A high-severity CRLF injection vulnerability in the Laravel framework, tracked as CVE-2026-48019, could allow attackers to interfere with outbound email processing in affected applications. The issue impacts Laravel versions up to 13.9.0 and versions before 12.60.0, and has been patched in 13.10.0 and 12.60.0. The vulnerability stems from improper neutralization of carriage return and line […]

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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

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Laravel CRLF Injection Vulnerability Enables an Attacker to Interfere with Outbound Email Processing

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