CVE-2026-91198: Growthbook

Medium severity, CVSS 5.3. EPSS: 0.4% chance of exploitation in the next 30 days.

GrowthBook through 5.0.1 returns unredacted fact table definitions including raw warehouse SQL in payloads served by unauthenticated public report and experiment endpoints. Attackers with knowledge of a publicly shared report or experiment identifier can read internal data warehouse query text, schema, table names, filter values and datasource identifiers.

Affected products

• Growthbook Growthbook: up to and including 5.0.1

Published 2026-09-14. Last modified 2026-09-16.