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CVE-2026-40600— Chartbrew: Incorrect Access Control in project share policy routes via unbound policy_id

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，该漏洞源于允许对某个项目有访问权限的认证用户更新或删除属于不同项目的SharePolicy记录，路由仅验证URL路径中的项目权限，未验证policy_id是否属于该项目，可能导致跨项目修改仪表板共享规则。

CVSS 8.1 · High EPSS 0.40% · P31

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-2026-40600

Vulnerability Information
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Vulnerability Title
Chartbrew: Incorrect Access Control in project share policy routes via unbound policy_id
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 allows authenticated users with access to one project to update or delete a SharePolicy record that belongs to a different project. The affected routes authorize the caller against the project in the URL path, but they never verify that policy_id belongs to that project. This permits cross-project modification of dashboard sharing rules, including visibility, password requirements, allowed parameters, and expiration settings. 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:L/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
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，该漏洞源于允许对某个项目有访问权限的认证用户更新或删除属于不同项目的SharePolicy记录，路由仅验证URL路径中的项目权限，未验证policy_id是否属于该项目，可能导致跨项目修改仪表板共享规则。
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-2026-40600

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III. Intelligence Information for CVE-2026-40600

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Patches & Fixes for CVE-2026-40600 (1)

Vendor Advisories for CVE-2026-40600 (1)

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

CVE-2026-40904 8.1 HIGH Chartbrew: Incorrect Access Control in dataset and dataRequest routes via team-scoped perm
CVE-2026-40601 7.5 HIGH Chartbrew: Missing Authorization in /api/chart/:chart_id/query via team-level refresh togg
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-639

V. Comments for CVE-2026-40600

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