CVE-2026-48019
CVE-2026-48019 is a high-severity vulnerability with a CVSS 3.x base score of 8.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-93.
Key facts
- Severity: High (CVSS 3.x base score 8.9)
- EPSS exploit prediction: 1% (42nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-93
- Published:
- Last modified:
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.
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.
- How severe is CVE-2026-48019?
- CVE-2026-48019 has a CVSS 3.x base score of 8.9, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.
- Is CVE-2026-48019 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-48019?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2026-48019 published?
- CVE-2026-48019 was published on 2026-09-04 and last updated on 2026-09-10.
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
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