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CVE-2026-40601— Chartbrew: Missing Authorization in /api/chart/:chart_id/query via team-level refresh toggle

Quick assessment

Affected
chartbrew chartbrew
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

chartbrew是Chartbrew开源的一个数据可视化与仪表盘构建工具。 Chartbrew 4.9.0版本存在安全漏洞，该漏洞源于POST /api/chart/:chart_id/query端点未进行身份验证，仅检查team.allowReportRefresh，未验证目标图表是否属于公共报告或项目是否公开，可能导致未经身份验证的攻击者触发数据刷新并检索私有图表的当前数据。

CVSS 7.5 · High EPSS 0.52% · P42

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProduct Version RangeStatus
chartbrew chartbrew = 4.9.0 affected
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I. Basic Information for CVE-2026-40601

Vulnerability Information
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Vulnerability Title
Chartbrew: Missing Authorization in /api/chart/:chart_id/query via team-level refresh toggle
Source: CVE Program / CVE List V5
Vulnerability Description
Chartbrew is an open-source web application that can connect directly to databases and APIs and use the data to create charts. In version 4.9.0, Chartbrew exposes POST /api/chart/:chart_id/query without authentication. The endpoint only checks team.allowReportRefresh and does not verify that the target chart belongs to a public report, that the project is public, or that sharing policy allows the operation. An unauthenticated attacker who knows a chart identifier can trigger a data refresh and retrieve the current data of private charts. This issue has been patched in version 5.0.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
chartbrew 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
chartbrew是Chartbrew开源的一个数据可视化与仪表盘构建工具。 Chartbrew 4.9.0版本存在安全漏洞，该漏洞源于POST /api/chart/:chart_id/query端点未进行身份验证，仅检查team.allowReportRefresh，未验证目标图表是否属于公共报告或项目是否公开，可能导致未经身份验证的攻击者触发数据刷新并检索私有图表的当前数据。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
chartbrew chartbrew = 4.9.0 -

II. Public POCs for CVE-2026-40601

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III. Intelligence Information for CVE-2026-40601

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Patches & Fixes for CVE-2026-40601 (1)

Vendor Advisories for CVE-2026-40601 (1)

Same Patch Batch · chartbrew · 2026-04-30 · 6 CVEs total

CVE-2026-40600 8.1 HIGH Chartbrew: Incorrect Access Control in project share policy routes via unbound policy_id
CVE-2026-40904 8.1 HIGH Chartbrew: Incorrect Access Control in dataset and dataRequest routes via team-scoped perm
CVE-2026-40595 7.5 HIGH Chartbrew: Incorrect Access Control in public chart and export routes via missing onReport
CVE-2026-35514 6.5 MEDIUM Unauthenticated Account Registration via /user/invited Bypasses All Signup Restrictions in
CVE-2026-40603 6.5 MEDIUM Chartbrew: Incorrect Access Control in /api/project/dashboard/:brewName via same-team over

IV. Related Vulnerabilities

Same product: chartbrew
Same vendor: chartbrew
Same weakness: CWE-862

V. Comments for CVE-2026-40601

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