[MEDIUM] Contao: The registration module re-sends activation mails

PKSA-s71c-hg32-kv3f CVE-2026-107843 GHSA-mfxh-vp55-7gc6

Affected package: contao/core-bundle

Affected version: >=5.4.0-RC1,<5.7.12|>=4.1.0,<5.3.50

Reported by:
GitHub