PatchSiren cyber security CVE debrief

CVE-2026-11769 Grafana CVE debrief

A critical security vulnerability has been discovered in the Grafana Operator, affecting all versions up to and including 5.23. This vulnerability, tracked as CVE-2026-11769, allows a malicious user who can create Dashboard or LibraryPanel resources for a Grafana instance to obtain the Kubernetes service account token of the Grafana Operator manager.

Vendor: Grafana
Product: Grafana Operator
CVSS: MEDIUM 6.4
CISA KEV: Not listed in stored evidence
Original CVE published: 2026-06-13
Original CVE updated: 2026-06-13
Advisory published: 2026-06-13
Advisory updated: 2026-06-13

Who should care

Users of Grafana Operator versions <= 5.23

Technical summary

The Grafana Operator supports loading dashboards & library panels using the jsonnet data templating language. The jsonnet expression is evaluated in the context of the operator manager pod. A malicious user who can create Dashboard or LibraryPanel resources for a Grafana instance can exploit this to obtain the Kubernetes service account token of the Grafana Operator manager.

Defensive priority

high

Recommended defensive actions

Upgrade to Grafana Operator version 5.24.0 or later
As a workaround, apply a ValidatingAdmissionPolicy to prevent the creation or modification of jsonnet-based resources

Evidence notes

The vulnerability was responsibly disclosed by Artem Cherezov.

Official resources

CVE-2026-11769 was published on 2026-06-13T06:16:14.380Z and has a CVSS score of 6.4, with a medium severity rating.