How severe is CVE-2026-28381?

CVE-2026-28381 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2026-28381 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-28381?

CVE-2026-28381 affects Grafana Snowflake. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-28381?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-28381 have an EU (EUVD) identifier?

Yes. CVE-2026-28381 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38244.

When was CVE-2026-28381 published?

CVE-2026-28381 was published on 2026-06-22 and last updated on 2026-06-30.

CVE-2026-28381

CVE-2026-28381 is a critical-severity vulnerability in Grafana Snowflake with a CVSS 3.x base score of 9.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: Critical (CVSS 3.x base score 9.6)
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-38244
Weakness: CWE-284
Affected product: Grafana Snowflake
Published: 2026-06-22
Last modified: 2026-06-30

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-28381?: CVE-2026-28381 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2026-28381 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-28381?: CVE-2026-28381 affects Grafana Snowflake. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-28381?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-28381 have an EU (EUVD) identifier?: Yes. CVE-2026-28381 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38244.
When was CVE-2026-28381 published?: CVE-2026-28381 was published on 2026-06-22 and last updated on 2026-06-30.

References

https://grafana.com/security/security-advisories/cve-2026-28381

Affected products (1)

cpe:2.3:a:grafana:snowflake:*:*:*:*:*:*:*:*

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