Vulnerability Intelligence Report
CRLF injection in Laravel's default email rule enables SMTP smuggling and spoofed-mail relay
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.
No Active Exploit Signals
CVSS Base Score
8.9
HIGH
Exploitability:2.3
Impact Score:6.0
EPSS Probability:0.68%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
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SSVC Action
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Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| No affected products specified. | ||
Threat Intelligence Signals
EPSS Score
0.680%
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | GitHub, Inc. · Vendor · USA |
| Reserved | 2026-05-20T17:44:09 |
| Published | 2026-09-04T22:11:40 |
| Last Updated | 2026-09-08T13:01:38 |
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