Summaryinfo

A vulnerability was found in Grafana up to 11.6.13/12.1.9/12.2.7/12.3.5/12.4.1. It has been classified as problematic. This affects an unknown function of the component Public Dashboard Handler. This manipulation causes information disclosure. This vulnerability is handled as CVE-2026-27877. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Grafana up to 11.6.13/12.1.9/12.2.7/12.3.5/12.4.1 and classified as problematic. Affected by this vulnerability is an unknown code block of the component Public Dashboard Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

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.

It is possible to read the advisory at grafana.com. This vulnerability is known as CVE-2026-27877 since 02/24/2026. The exploitation appears to be easy. The attack can be launched remotely. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

Upgrading to version 11.6.14, 12.1.10, 12.2.8, 12.3.6 or 12.4.2 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

• Grafana

Version

• 11.6.0
• 11.6.1
• 11.6.2
• 11.6.3
• 11.6.4
• 11.6.5
• 11.6.6
• 11.6.7
• 11.6.8
• 11.6.9
• 11.6.10
• 11.6.11
• 11.6.12
• 11.6.13
• 12.1.0
• 12.1.1
• 12.1.2
• 12.1.3
• 12.1.4
• 12.1.5
• 12.1.6
• 12.1.7
• 12.1.8
• 12.1.9
• 12.2.0
• 12.2.1
• 12.2.2
• 12.2.3
• 12.2.4
• 12.2.5
• 12.2.6
• 12.2.7
• 12.3.0
• 12.3.1
• 12.3.2
• 12.3.3
• 12.3.4
• 12.3.5
• 12.4.0
• 12.4.1

License

• open-source

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CPE 2.2info

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