CVE-2026-48019
CRLF injection in Laravel's default email rule enables SMTP smuggling and spoofed-mail relay
02 Description
CRLF injection in Laravel's default email rule enables SMTP smuggling and spoofed-mail relay
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.51% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 43.3% of scored records. A rank, not a probability.
- NVD base score
- 8.9 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L
- NVD analysis status
- Awaiting Analysis. NVD last modified this record on 2026-09-10.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-09-04 22:11Z1 MO AGO
- Last updated
- 2026-09-08 13:01Z1 MO AGO
- Reserved
- 2026-05-20
- Assigning CNA
- GitHub_M
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.9)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L
- Weaknesses
- CWE-93Improper Neutralization of CRLF Sequences ('CRLF Injection')Base
- Data version
- 5.2
- Document digest
- d05b48d607b193b24c5f493e6bc59ac7b2ec5e8ea2475271c827fe6402f84d44
05 Affected products
06 References
- github.comhttps://github.com/laravel/framework/security/advisories/GHSA-5vg9-5847-vvmq
- github.comhttps://github.com/laravel/framework/pull/60151
- github.comhttps://github.com/laravel/framework/commit/96e9a663db657cf37ef26cd794fda8ff60eaa451
- github.comhttps://github.com/laravel/framework/commit/f336ba79e744257f84ebf0d096b0ebc62e8e1a4d
- github.comhttps://github.com/laravel/framework/releases/tag/v12.60.0
- github.comhttps://github.com/laravel/framework/releases/tag/v13.10.0
07 Fixed in
Debian 12
- php-laravel-framework No fix yet
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- php-laravel-framework No fix yet
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- php-laravel-framework Fixed in 13.31.0+dfsg-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.