Grafana up to 12.4.1 testdata data-source denial of service

Summaryinfo

A vulnerability was found in Grafana up to 11.6.13/12.1.9/12.2.7/12.3.5/12.4.1 and classified as problematic. This affects an unknown part of the component testdata data-source Handler. Executing a manipulation can lead to denial of service. This vulnerability appears as CVE-2026-28375. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

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. This vulnerability affects an unknown code of the component testdata data-source Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

A testdata data-source can be used to trigger out-of-memory crashes in Grafana.

The advisory is available at grafana.com. This vulnerability was named CVE-2026-28375 since 02/27/2026. The exploitation appears to be easy. The attack can be initiated remotely. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 304097 (Linux Distros Unpatched Vulnerability : CVE-2026-28375), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the vulnerability database at Tenable (304097). If you want to get best quality of vulnerability data, you may have to visit VulDB.

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

CPE 2.3info

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CPE 2.2info

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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