REDHAT-BUG-2499061: Medium severity Grafana Labs Grafana vulnerability

Published Jul 10, 2026

Updated

An unauthenticated attacker can repeatedly call Grafana's OAuth login route with unique values, causing unbounded memory growth that can eventually exhaust memory and crash the Grafana instance (denial of service).

Affected Software

1 affected component

Grafana Labs Grafana

Event History

Jul 10, 2026

Data Sourced

via Red Hat·04:02 PM

DescriptionSeverityAffected Software

Frequently Asked Questions

What is the severity of REDHAT-BUG-2499061?

The severity of REDHAT-BUG-2499061 is classified as medium (4).

What impact does REDHAT-BUG-2499061 have on Grafana?

REDHAT-BUG-2499061 allows an unauthenticated attacker to cause unbounded memory growth, potentially resulting in a denial of service for the Grafana instance.

How can I mitigate REDHAT-BUG-2499061?

To mitigate REDHAT-BUG-2499061, you should implement restrictions on the OAuth login route to prevent excessive and malicious calling.

Is there a patch available for REDHAT-BUG-2499061?

Yes, a patch to address REDHAT-BUG-2499061 is typically released by Grafana Labs, and you should check for updates regularly.

What should I do if my Grafana instance is affected by REDHAT-BUG-2499061?

If your Grafana instance is affected by REDHAT-BUG-2499061, it is recommended to apply the latest security updates and monitor system memory usage closely.