9.6

CVE-2026-28381: grafana snowflake Improper Access Control

CVSS: 9.6v3.1CriticalAnalyzed
Published 22-06-2026Last modified 24-06-2026
Open JSON

Vulnerability summary

CVE-2026-28381 is a critical (CVSS 9.6) Improper Access Control vulnerability in grafana snowflake. EPSS estimates a 0.35% chance of exploitation in the next 30 days, higher than 27.1% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.6/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.35%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 22-06-2026
    PublishedVulnerability first disclosed.
  2. 24-06-2026
    Last modifiedVulnerability information updated.

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 metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.35%

Chance of exploitation in the next 30 days

Percentile

27%

Versus all other CVEs

30-day change

0.00 pp

From 0.35% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.35%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Grafana2 products

1 vendor · 2 products

References

1 links