CVE-2026-78155: Ongres Stackgres

Critical severity, CVSS 9.9. EPSS: 0.5% chance of exploitation in the next 30 days.

privilege escalation in StackGres operator allows a low-privilege tenant who owns a database to gain administrator privileges

Affected products

• Ongres Stackgres: before 1.19.0 (fixed in 1.19.0)

Published 2026-08-23. Last modified 2026-09-16.