How severe is CVE-2026-28381?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Vulnerability in Grafana Snowflake Datasource

CVE-2026-28381

The Snowflake datasource allows for GET/PUT commands, which can allow any user with access to run queries against the data source to read/write files between the local grafana server and the connected Snowflake host.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N.

Affected products

Grafana Snowflake Datasource — versions 1.14.7

References

security@grafana.com (vendor-advisory)

Frequently asked questions

What is CVE-2026-28381?: CVE-2026-28381 is a critical-severity vulnerability in Grafana Snowflake Datasource. CVSS score: 9.6/10. Published 2026-06-22.
How severe is CVE-2026-28381?: Critical severity. CVSS v3 base score is 9.6 out of 10.