A vulnerability described as problematic has been identified in Grafana up to 12.3.2. Impacted is an unknown function of the file /api/alertmanager/grafana/config/api/v1/templates/test of the component Alertmanager Templates Test Endpoint. The manipulation results in resource consumption.
This vulnerability is cataloged as CVE-2026-21723. The attack may be launched remotely. There is no exploit available.
Upgrading the affected component is recommended.
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CVE-2026-21723 | Grafana up to 12.3.2 Alertmanager Templates Test Endpoint test resource consumption (EUVD-2026-47869)
A vulnerability described as problematic has been identified in Grafana up to 12.3.2. Impacted is an unknown function of the file /api/alertmanager/grafana/config/api/v1/templates/test of the component Alertmanager Templates Test Endpoint.…
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