CVE-2026-120330: TYPO3-EXT-SA-2026-037: Broken Access Control in extension "Mail" (mail)
Published Nov 3, 2026
·Updated
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.
Other sources
TYPO3-EXT-SA-2026-037: Broken Access Control in extension "Mail" (mail)
— Packagist
Affected Software
2 affected componentsFixes available
composer/mediaessenz/mail>=4.0.0, <4.2.0
4.2.0
composer/mediaessenz/mail<3.12.5
3.12.5
Event History
Nov 3, 2026
Advisory Published
via Packagist·09:00 AM
Data Sourced
via Packagist·09:00 AM
DescriptionSeverityAffected Software
CVE Published
via MITRE·09:56 AM
Data Sourced
via MITRE·09:56 AM
DescriptionWeakness
Data Sourced
via NVD·10:17 AM
DescriptionSeverityWeakness