CVE-2019-14403: cPanel

Medium severity, CVSS 4.3. EPSS: 0.7% chance of exploitation in the next 30 days.

cPanel before 78.0.18 offers an open mail relay because of incorrect domain-redirect routing (SEC-483).

Affected products

• cPanel cPanel: before 78.0.18 (fixed in 78.0.18)

Published 2019-07-30. Last modified 2026-06-17.