What is CVE-2026-21724?

CVE-2026-21724 is a medium-severity vulnerability in Grafana, classified under Improper Authorization. CVSS score: 5.4/10. Published 2026-03-26.

How severe is CVE-2026-21724?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Auth bypass in Grafana

CVE-2026-21724

A vulnerability has been discovered in Grafana OSS where an authorization bypass in the provisioning contact points API allows users with Editor role to modify protected webhook URLs without the required alert.notifications.receivers.prote…

EPSS: 0.002 (14.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

Affected products

Grafana
Grafana Oss — versions 12.3.1, 12.2.2, 12.1.5

Weakness classification (CWE)

CWE-285 — Improper Authorization

References

security@grafana.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-21724?: CVE-2026-21724 is a medium-severity vulnerability in Grafana, classified under Improper Authorization. CVSS score: 5.4/10. Published 2026-03-26.
How severe is CVE-2026-21724?: Medium severity. CVSS v3 base score is 5.4 out of 10.