CVE-2026-48019 (CVSS 8.9)

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.

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CVSS v3.1 Score

8.9

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L

EPSS — Exploit Prediction

0.0051

Probability of exploitation

0.42%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-93 CWE-93

References

Other References

https://github.com/laravel/framework/commit/96e9a663db657cf37ef26cd794fda8ff60eaa451 https://github.com/laravel/framework/commit/f336ba79e744257f84ebf0d096b0ebc62e8e1a4d https://github.com/laravel/framework/pull/60151 https://github.com/laravel/framework/releases/tag/v12.60.0 https://github.com/laravel/framework/releases/tag/v13.10.0 https://github.com/laravel/framework/security/advisories/GHSA-5vg9-5847-vvmq

Frequently Asked Questions

What is CVE-2026-48019? +

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. It has a CVSS v3.1 base score of 8.9 (HIGH).

How severe is CVE-2026-48019? +

CVE-2026-48019 has a CVSS v3.1 score of 8.9 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0051, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-48019? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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