High severity · published Jun 22, 2026
CVE-2026-28381
Local File Read/Write to Potential Privilege Escalation via Snowflake GET/PUT
8.1
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 28% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GR
Grafana · Grafana
1.14.7 through 1.14.12 · source: vendor
SN
Snowflake · Grafana
1.14.7 through 1.14.12 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-28381
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-28381
Broken Link
https://grafana.com/security/security-advisories/cve-2026-28381
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