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CVE-2026-27603— Chartbrew: Unauthenticated Chart Filter Endpoint: POST /project/:project_id/chart/:chart_id/filter missing verifyToken + checkPermissions

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 4.8.4之前版本存在访问控制错误漏洞，该漏洞源于chart filter端点缺少中间件，可能导致未经验证的用户访问任何团队或项目的图表数据。

AI Predicted 8.1 Difficulty: Trivial EPSS 0.49% · P40

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2026-27603

Vulnerability Information
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Vulnerability Title
Chartbrew: Unauthenticated Chart Filter Endpoint: POST /project/:project_id/chart/:chart_id/filter missing verifyToken + checkPermissions
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. Prior to version 4.8.4, the chart filter endpoint POST /project/:project_id/chart/:chart_id/filter is missing both verifyToken and checkPermissions middleware, allowing unauthenticated users to access chart data from any team/project. This issue has been patched in version 4.8.4.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
chartbrew 访问控制错误漏洞
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 4.8.4之前版本存在访问控制错误漏洞，该漏洞源于chart filter端点缺少中间件，可能导致未经验证的用户访问任何团队或项目的图表数据。
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 < 4.8.4 -

II. Public POCs for CVE-2026-27603

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III. Intelligence Information for CVE-2026-27603

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Vendor Advisories for CVE-2026-27603 (1)

Vendor Pages for CVE-2026-27603 (1)

Same Patch Batch · chartbrew · 2026-03-06 · 6 CVEs total

CVE-2026-25888 8.8 HIGH Chartbrew: Remote Code Execution (RCE) via Vulnerable API
CVE-2026-25887 7.2 HIGH Chartbrew: Remote Code Execution (RCE) via MongoDB Dataset Query
CVE-2026-25877 6.5 MEDIUM Chartbrew: Insecure Direct Object Reference (IDOR) in Chart Operations
CVE-2026-27605 6.3 MEDIUM Chartbrew: Stored Cross-Site Scripting (XSS) via File Upload API
CVE-2026-27005 Chartbrew: SQL injection in date-type variable handling (applyMysqlOrPostgresVariables)

IV. Related Vulnerabilities

Same product: chartbrew
Same vendor: chartbrew
Same weakness: CWE-306

V. Comments for CVE-2026-27603

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