What is CVE-2026-21724?

CVE-2026-21724 is a medium-severity vulnerability in Grafana Oss. 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.

Vulnerability in Grafana Oss

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: 0.000 (5.3th 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 Oss — versions 12.3.1, 12.2.2, 12.1.5

References

grafana.com/security/security-advisories/cve-2026-21724 (vendor-advisory)

Frequently asked questions

What is CVE-2026-21724?: CVE-2026-21724 is a medium-severity vulnerability in Grafana Oss. 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.