Vulnerability · Published Jun 22, 2026 · Assigned by GRAFANA
CVE-2026-28381Local File Read/Write to Potential Privilege Escalation via Snowflake GET/PUT
Critical 9.6
In plain English
A critical-severity improper access control in Snowflake Datasource from Grafana. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 29% of all known vulnerabilities).
Severity (CVSS 3.1)9.6Critical
Exploit odds (30 days)0.4%top 71.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Grafana | Snowflake Datasource | 1.14.7 – through 1.14.12 |
Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
References
- https://grafana.com/security/security-advisories/cve-2026-28381 vendor-advisory