CVE-2026-21724 PUBLISHED

Missing Protected-field Authorization in Provisioning Contact Points API

Assigner: GRAFANA
Reserved: 05.01.2026 Published: 26.03.2026 Updated: 27.03.2026

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.protected:write permission.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CVSS Score: 5.4

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	Low	Integrity Impact	Low
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	Grafana
Product	Grafana OSS
Versions	Default: unaffected affected from 12.3.1 to 12.3.6 (excl.) affected from 12.2.2 to 12.2.8 (excl.) affected from 12.1.5 to 12.1.10 (excl.) affected from 11.6.9 to 11.6.14 (excl.)

References

https://grafana.com/security/security-advisories/cve-2026-21724