grafana: Grafana: Denial of Service due to Out of Memory via $__timeGroup macro

A flaw was found in Grafana. A remote attacker with authenticated access to a SQL datasource can exploit a vulnerability in the $timeGroup macro. By sending specially crafted queries, an attacker can cause an Out of Memory OOM error, leading to the Grafana server crashing and resulting in a Denia...

grafana: Grafana: Denial of Service due to Out of Memory via $__timeGroup macro

A flaw was found in Grafana. A remote attacker with authenticated access to a SQL datasource can exploit a vulnerability in the $timeGroup macro. By sending specially crafted queries, an attacker can cause an Out of Memory OOM error, leading to the Grafana server crashing and resulting in a Denia...

grafana: Grafana: Denial of Service due to Out of Memory via $__timeGroup macro

A flaw was found in Grafana. A remote attacker with authenticated access to a SQL datasource can exploit a vulnerability in the $timeGroup macro. By sending specially crafted queries, an attacker can cause an Out of Memory OOM error, leading to the Grafana server crashing and resulting in a Denia...

CVE-2026-33378: Uncontrolled Resource Consumption

Using the $timeGroup macro, one can achieve an OOM by overloading the server. This requires a SQL datasource. If the server is set up to auto-restart, the impact is minimal or non-existent, as the attack can take upwards of half an hour to crash the server...