CVE-2026-28381: Grafana Snowflake Datasource · Improper Access Control
Affects Grafana Snowflake DatasourceSource CVE Database V5
Not known to be exploited · CVSS 9.6 Critical · patch available : patch Grafana Snowflake Datasource as a priority.
Data as of 5 Nov 2026, 00:01 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 28% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 22 Jun 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| GrafanaSnowflake Datasource | Affected
| Fixed in– |
AI-suggested
A patch is available for this vulnerability. Since the Grafana Snowflake Datasource is a cloud service, the vendor typically manages remediation server-side. Users should verify with the vendor advisory that the patch has been applied or that the service has been updated to mitigate this vulnerability. No additional user action is specified or required beyond ensuring the service is up to date.
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.