CVE-2026-21724
MEDIUM5.4EPSS 0.02%Grafana OSS: Authorization bypass allows users with Editor role to modify protected webhook URLs without permissions
Published: 3/26/2026Modified: 4/23/2026
Description
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. A patched version is available at https://github.com/grafana/grafana/releases/tag/v12.3.6.
Affected packages (2)
- Bitnami/grafana>= 11.6.9, < 11.6.14, >= 12.1.5, < 12.1.10, >= 12.2.2, < 12.2.8, >= 12.3.1, < 12.3.6
- Go/github.com/grafana/grafanafrom 0, < 1.9.2-0.20260323180334-daffe750de85
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N |
References (5)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2026-21724
- PATCHhttps://github.com/grafana/grafana
- WEBhttps://github.com/grafana/grafana/commit/daffe750de85b0dbf79f206a35835cf66a83d6ca
- WEBhttps://github.com/grafana/grafana/releases/tag/v12.3.6
- WEBhttps://grafana.com/security/security-advisories/cve-2026-21724