What is CVE-2025-3454?

CVE-2025-3454 is a medium-severity vulnerability in Grafana, classified under Improper Authorization. CVSS score: 5.0/10. Published 2025-06-02.

How severe is CVE-2025-3454?

Medium severity. CVSS v3 base score is 5.0 out of 10.

Auth bypass in Grafana

CVE-2025-3454

This vulnerability in Grafana's datasource proxy API allows authorization checks to be bypassed by adding an extra slash character in the URL path. Users with minimal permissions could gain unauthorized read access to GET endpoints in Ale…

EPSS: 0.000 (9.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N.

Affected products

Grafana — versions 11.6.0, 11.5.0, 11.4.0
Grafana Enterprise — versions 11.6.0, 11.5.0, 11.4.0

Weakness classification (CWE)

CWE-285 — Improper Authorization

References

grafana.com/security/security-advisories/cve-2025-3454/

Frequently asked questions

What is CVE-2025-3454?: CVE-2025-3454 is a medium-severity vulnerability in Grafana, classified under Improper Authorization. CVSS score: 5.0/10. Published 2025-06-02.
How severe is CVE-2025-3454?: Medium severity. CVSS v3 base score is 5.0 out of 10.