Laravel up to 12.59.x/13.9.x Email Validation crlf injection

Summaryinfo

A vulnerability categorized as critical has been discovered in Laravel up to 12.59.x/13.9.x. Affected by this vulnerability is an unknown functionality of the component Email Validation. Executing a manipulation can lead to crlf injection. This vulnerability is registered as CVE-2026-48019. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability has been found in Laravel up to 12.59.x/13.9.x and classified as critical. This vulnerability affects an unknown functionality of the component Email Validation. The manipulation with an unknown input leads to a crlf injection vulnerability. The CWE definition for the vulnerability is CWE-93. The product uses CRLF (carriage return line feeds) as a special element, e.g. to separate lines or records, but it does not neutralize or incorrectly neutralizes CRLF sequences from inputs. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is available at github.com. This vulnerability was named CVE-2026-48019 since 05/20/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

Upgrading to version 12.60.0 or 13.10.0 eliminates this vulnerability.

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Productinfo

Name

• Laravel

Version

• 12.0
• 12.1
• 12.2
• 12.3
• 12.4
• 12.5
• 12.6
• 12.7
• 12.8
• 12.9
• 12.10
• 12.11
• 12.12
• 12.13
• 12.14
• 12.15
• 12.16
• 12.17
• 12.18
• 12.19
• 12.20
• 12.21
• 12.22
• 12.23
• 12.24
• 12.25
• 12.26
• 12.27
• 12.28
• 12.29
• 12.30
• 12.31
• 12.32
• 12.33
• 12.34
• 12.35
• 12.36
• 12.37
• 12.38
• 12.39
• 12.40
• 12.41
• 12.42
• 12.43
• 12.44
• 12.45
• 12.46
• 12.47
• 12.48
• 12.49
• 12.50
• 12.51
• 12.52
• 12.53
• 12.54
• 12.55
• 12.56
• 12.57
• 12.58
• 12.59
• 13.0
• 13.1
• 13.2
• 13.3
• 13.4
• 13.5
• 13.6
• 13.7
• 13.8
• 13.9

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