Review reviewHigh

CVE-2026-27877

Grafana Grafana, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support

When using public dashboards and direct data-sources, all direct data-sources' passwords are exposed despite not being used in dashboards. No passwords of proxied data-sources are exposed. We encourage all direct data-sources to be converted to proxied data-sources as far as possible to improve your deployments' security.

CVSS: 7.5
EPSS: 0.30%
CISA KEV: Not listed
Published: 2026.03.28

PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability0.30%

Technical severityCVSS 7.5

Vulnerability overview

Affected product and versions

Product: Grafana Grafana, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support
Affected versions: >= 9.3.0 < 11.6.14, >= 12.0.0 < 12.1.10, >= 12.2.0 < 12.2.8, >= 12.3.0 < 12.3.6, >= 12.4.0 < 12.4.2, < 9.3.0, >= 11.6.14 < 12.0.0, >= 12.1.10 < 12.2.0, >= 12.2.8 < 12.3.0, >= 12.3.6 < 12.4.0
Fixed versions: 9.3.0, 12.0.0, 12.2.0, 12.3.0, 12.4.0

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that Grafana Grafana, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE: CWE-201, CWE-312