---
id: CVE-2026-120330
title: Broken Access Control in extension "Mail" (mail)
summary: >-
  Backend actions and ajax routes of the mail module do not check whether the
  backend user has access to the page of the requested mail or recipient group.
  Backend users with access to the mail module can view, change, send and export
  mail…
severity: high
cvss: 7.1
cvssVector: 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N'
cvssSource: cna
cwe:
  - CWE-862
vendor: TYPO3
product: mediaessenz/mail
affected:
  - mediaessenz/mail >= 4.0.0 < 4.2.0
  - mediaessenz/mail < 3.12.5
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-03T17:23:24.730750Z'
published: '2026-11-03'
updated: '2026-11-03'
sourceUpdated: '2026-11-03T18:31:57.310Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-120330'
references:
  - url: 'https://typo3.org/security/advisory/typo3-ext-sa-2026-037'
tags:
  - cve.org
epss: 0.00363
epssPercentile: 0.30302
ingestedAt: '2026-11-05T20:33:06.368Z'
---

## Overview

Backend actions and ajax routes of the mail module do not check whether the backend user has access to the page of the requested mail or recipient group. Backend users with access to the mail module can view, change, send and export mails and recipient groups outside their web mounts, including the personal data of recipients.

## Affected

- `mediaessenz/mail >= 4.0.0 < 4.2.0`
- `mediaessenz/mail < 3.12.5`

## Remediation

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