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Fencer Intel
high 8.9

CVE-2026-48019 json

CRLF injection in Laravel's default email rule enables SMTP smuggling and spoofed-mail relay

published 4mo ago modified 2mo ago also EUVD-2026-71787 , GHSA-5vg9-5847-vvmq

cvss
8.9
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 44%
public exploits
0
none known

Summary

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.

Patch / fix

  • packagist laravel/framework 12.60.0, 13.10.0
  • laravel framework 12.60.0, 13.10.0
  • laravel laravel 12.60.0, 13.10.0
  • php-laravel-framework Debian 14 13.31.0+dfsg-1

debian advisories DEBIAN-CVE-2026-48019

Is CVE-2026-48019 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2mo ago

Exploit prediction

0.51% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by version score vector
CNA 3.1 8.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L
GitHub 3.1 8.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L

Affected packages

ecosystem package affected fixed in
packagist laravel/framework
>=13.0.0, <13.10.0
<12.60.0
13.10.0
12.60.0

Affected products

  • laravel framework

Classification

Weakness
  • CWE-93 Improper Neutralization of CRLF Sequences

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.