Grafana 8.0.0 < 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 DoS (CVE-2026-27879)

medium Nessus Plugin ID 304688

Synopsis

The remote host is affected by a denial of service vulnerability.

Description

The version of Grafana installed on the remote host is 8.0.x through 11.6.x prior to 11.6.14, 12.0.x through 12.1.x prior to 12.1.10, 12.2.x prior to 12.2.8, 12.3.x prior to 12.3.6, or 12.4.x prior to 12.4.2. It is, therefore, affected by a denial of service vulnerability:

- A resample query can be used to trigger out-of-memory crashes in Grafana. (CVE-2026-27879)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update Grafana to 11.6.14, 12.1.10, 12.2.8, 12.3.6, 12.4.2 or later.

Plugin Details

Severity: Medium

ID: 304688

File Name: grafana_CVE-2026-27879.nasl

Version: 1.2

Type: Remote

Family: Web Servers

Published: 4/2/2026

Updated: 4/3/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:C

CVSS Score Source: CVE-2026-27879

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Vulnerability Information

CPE: cpe:/a:grafana:grafana

Patch Publication Date: 3/30/2026

Vulnerability Publication Date: 3/30/2026

Reference Information

CVE: CVE-2026-27879

IAVB: 2026-B-0079

Detections

Analytics