Description
Chartbrew is an open-source web application that can connect directly to databases and APIs and use the data to create charts. Prior to 5.2.3, Chartbrew's ClickHouse protocol in server/sources/plugins/clickhouse/clickhouse.protocol.js calls applySqlVariables() from server/sources/shared/sql/sql.variables.js without enabling the escapeBackslash option. For a ClickHouse-backed chart with variable binding, an attacker can supply a backslash before a quote so quote doubling does not keep the value within its intended SQL string literal. Public dashboards can expose this path without authentication, and successful exploitation can execute arbitrary ClickHouse SQL to disclose data or, when the database configuration permits, access files or internal network resources. This issue is fixed in version 5.2.3.
Published: 2026-09-21
Score: 7.9 High
EPSS: n/a
KEV: No
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Remediation

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History

Mon, 21 Sep 2026 22:00:00 +0000

Type Values Removed Values Added
Description Chartbrew is an open-source web application that can connect directly to databases and APIs and use the data to create charts. Prior to 5.2.3, Chartbrew's ClickHouse protocol in server/sources/plugins/clickhouse/clickhouse.protocol.js calls applySqlVariables() from server/sources/shared/sql/sql.variables.js without enabling the escapeBackslash option. For a ClickHouse-backed chart with variable binding, an attacker can supply a backslash before a quote so quote doubling does not keep the value within its intended SQL string literal. Public dashboards can expose this path without authentication, and successful exploitation can execute arbitrary ClickHouse SQL to disclose data or, when the database configuration permits, access files or internal network resources. This issue is fixed in version 5.2.3.
Title Chartbrew: SQL Injection via Missing Backslash Escaping in ClickHouse Variable Substitution
Weaknesses CWE-89
References
Metrics cvssV4_0

{'score': 7.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H'}


Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-09-21T21:41:45.582Z

Reserved: 2026-07-23T18:54:15.831Z

Link: CVE-2026-65980

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-21T22:16:58.317

Modified: 2026-09-21T22:16:58.317

Link: CVE-2026-65980

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses