CVE-2026-27877
grafana: Grafana: Information disclosure of data-source passwords via public dashboards
Severity
ImportantRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · March 27, 2026
Updated · June 30, 2026
Description
A flaw was found in Grafana. When public dashboards are used with direct data-sources, sensitive credentials, specifically passwords for all direct data-sources, are exposed. This information disclosure occurs even when these data-sources are not actively utilized in the dashboards. A remote attacker could exploit this to gain unauthorized access to other systems.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE-201 · Insertion of Sensitive Information Into Sent Data