GrowthBook through 5.0.1 Information Disclosure via Public Endpoints

Advisories

GrowthBook through 5.0.1 Information Disclosure via Public Endpoints

severity: medium
date: 9/14/2026
Affecting: growthbook <= 5.0.1
CVE: CVE-2026-91198
CWE: CWE-201 Insertion of Sensitive Information Into Sent Data
CVSS: 6.9
CVSS V4 Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
References: GitHub Issue #6541
https://github.com/growthbook/growthbook
https://github.com/growthbook/growthbook/blob/57d07471b137eb43d9bfb1613d0a1203d21fef88/packages/back-end/src/services/reports.ts#L880-L890
https://github.com/growthbook/growthbook/blob/57d07471b137eb43d9bfb1613d0a1203d21fef88/packages/back-end/src/app.ts#L391-L409
Credit: George Chen
Description: 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.

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