CVE-2026-103267: Tryghost Ghost

Medium severity, CVSS 4.3. EPSS: 0.3% chance of exploitation in the next 30 days.

Ghost versions before 6.62.0 contain an authentication bypass vulnerability in staff invite acceptance that allows users to specify any email address when creating their account. Attackers can accept leaked invite tokens with attacker-controlled email addresses, or legitimate recipients can register with unintended email providers.

Affected products

• Tryghost Ghost: from 0.5.0, before 6.62.0 (fixed in 6.62.0)

Published 2026-10-01. Last modified 2026-10-01.