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Vulnerability record · CVE-2026-40601 · published 30 April 2026

CVE-2026-40601: Missing authorization vulnerability

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.

7.5 CVSS 3.1 High EPSS 0.52% · top 57.9% CWE-862 · Missing authorization Deferred
7.5CVSS 3.1 base score
0.52%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

LinkTags
https://github.com/chartbrew/chartbrew/releases/tag/v5.0.0
https://github.com/chartbrew/chartbrew/security/advisories/GHSA-cpr6-mhgm-893w

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Source: NIST National Vulnerability Database (record CVE-2026-40601), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.