CVE-2026-48019CRLF injection in Laravel's default email rule enables SMTP smuggling and spoofed-mail relay
- 8.9HighCVSS base score
- 0.51%Exploitation in 30 daysEPSS · top 56% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By GitHub_M
- 4 months later
· 4 months later
Published
- 4 days later
· 4 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| GitHub_MCNA (assigner) | 3.1 | High8.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L |
| NVDNVD · Awaiting Analysis | 3.1 | High8.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L |
- EPSS (exploitation in 30 days)
- 0.51% · top 56% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.9.
Affected products
References
References6
- https://github.com/laravel/framework/security/advisories/GHSA-5vg9-5847-vvmq (opens in a new tab)x_refsource_CONFIRM
- https://github.com/laravel/framework/pull/60151 (opens in a new tab)x_refsource_MISC
- https://github.com/laravel/framework/commit/96e9a663db657cf37ef26cd794fda8ff60eaa451 (opens in a new tab)x_refsource_MISC
- https://github.com/laravel/framework/commit/f336ba79e744257f84ebf0d096b0ebc62e8e1a4d (opens in a new tab)x_refsource_MISC
- https://github.com/laravel/framework/releases/tag/v12.60.0 (opens in a new tab)x_refsource_MISC
- https://github.com/laravel/framework/releases/tag/v13.10.0 (opens in a new tab)x_refsource_MISC
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-71787 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-48019)Record last updated .