---
id: CVE-2026-15191
title: A flaw has been found in mettle sendportal up to 3.0.1
summary: >-
  A flaw has been found in mettle sendportal up to 3.0.1. This vulnerability
  affects unknown code of the file
  vendor/mettle/sendportal-core/src/Http/Requests/CampaignStoreRequest.php of
  the component Campaign Creation Endpoint. Executing a…
severity: medium
cvss: 6.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-285
  - CWE-639
published: '2026-07-09'
updated: '2026-09-03'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-15191'
references:
  - url: 'https://github.com/mettle/sendportal/'
    label: cna@vuldb.com
  - url: 'https://github.com/mettle/sendportal/issues/339'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-15191'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/851622'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/377117'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/377117/cti'
    label: cna@vuldb.com
tags:
  - nvd
epss: 0.00384
epssPercentile: 0.29615
ingestedAt: '2026-09-04T04:14:25.140Z'
---

## Overview

A flaw has been found in mettle sendportal up to 3.0.1. This vulnerability affects unknown code of the file vendor/mettle/sendportal-core/src/Http/Requests/CampaignStoreRequest.php of the component Campaign Creation Endpoint. Executing a manipulation can lead to authorization bypass. The attack can be executed remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.