CVE-2026-27876
CriticalCVSS 9.1Exploitation Probability (EPSS)
High risk78th percentile - higher than 78% of all known CVEs
Summary
A chained attack via SQL Expressions and a Grafana Enterprise plugin can lead to remote arbitrary code execution (RCE). The vulnerability requires the sqlExpressions feature toggle to be enabled and affects specific Grafana OSS versions.
Risk Assessment
The organization risks full compromise of the Grafana server by a remote attacker, potentially leading to data loss, monitoring system downtime, and further attacks within the internal network.
Recommendation
Immediately upgrade Grafana to version 11.6.14, 12.1.10, 12.2.8, 12.3.6, or 12.4.2 depending on your branch. Disable the sqlExpressions feature toggle if not required.
Original NVD description (English source)
A chained attack via SQL Expressions and a Grafana Enterprise plugin can lead to a remote arbitrary code execution impact (RCE). This is enabled by a feature in Grafana (OSS), so all users are always recommended to update to avoid future attack vectors going this path. Only instances with the sqlExpressions feature toggle enabled are vulnerable. Only instances in the following version ranges are affected: - 11.6.0 (inclusive) to 11.6.14 (exclusive): 11.6.14 has the fix. 11.5 and below are not affected. - 12.0.0 (inclusive) to 12.1.10 (exclusive): 12.1.10 has the fix. 12.0 did not receive an update, as it is end-of-life. - 12.2.0 (inclusive) to 12.2.8 (exclusive): 12.2.8 has the fix. - 12.3.0 (inclusive) to 12.3.6 (exclusive): 12.3.6 has the fix. - 12.4.0 (inclusive) to 12.4.2 (exclusive): 12.4.2 has the fix. 13.0.0 and above also have the fix: no v13 release is affected.