Grafana OSS: Authorization bypass allows users with Editor role to modify protected webhook URLs without permissions
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.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-21724US | medium4.3 | — | ||
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 UR… | ||||
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references
External citations — patches, advisories, analysis.
- https://github.com/advisories/GHSA-7g92-g4vh-hp84ADVISORY
- https://github.com/grafana/grafanaPACKAGE
- https://github.com/grafana/grafana/commit/daffe750de85b0dbf79f206a35835cf66a83d6caWEB
- https://github.com/grafana/grafana/releases/tag/v12.3.6WEB
- https://grafana.com/security/security-advisories/cve-2026-21724WEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-21724ADVISORY
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