What is CVE-2026-40904?

CVE-2026-40904 is a high-severity vulnerability in Chartbrew, classified under Improper Access Control. CVSS score: 8.1/10. Published 2026-04-30.

How severe is CVE-2026-40904?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Chartbrew

CVE-2026-40904

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 multiple dataset and dataRequest endpoints that authorize low-privileged pro…

EPSS: 0.000 (11.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Chartbrew — versions = 4.9.0

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

https://github.com/chartbrew/chartbrew/security/advisories/GHSA-jq95-gqww-vhm3 (x_refsource_CONFIRM)
https://github.com/chartbrew/chartbrew/releases/tag/v5.0.0 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-40904?: CVE-2026-40904 is a high-severity vulnerability in Chartbrew, classified under Improper Access Control. CVSS score: 8.1/10. Published 2026-04-30.
How severe is CVE-2026-40904?: High severity. CVSS v3 base score is 8.1 out of 10.