A vulnerability has been discovered in Grafana OSS where an authorization bypass in the provisioning contact points API allows users with Editor role to modify protected webhook URLs without the required alert.notifications.receivers.protected:write permission.

According to its self-reported version, the Grafana install hosted on the remote host is prior to 11.6.14, or 12.1.x prior to 12.1.10, or 12.2.x prior to 12.2.8, or 12.3.x prior to 12.3.6. It is, therefore, affected by a missing protected-field authorization vulnerability.

- A vulnerability has been discovered in Grafana OSS where an authorization bypass in the provisioning contact points API allows users with Editor role to modify protected webhook URLs without the required alert.

Note that the scanner has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - A vulnerability has been discovered in Grafana OSS where an authorization bypass in the provisioning     contact points API allows users with Editor role to modify protected webhook URLs without the required     alert.notifications.receivers.protected:write permission. (CVE-2026-21724)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Severity
115185	Grafana 12.3.x < 12.3.6 Improper Authorization	Web App Scanning	Component Vulnerability	medium
115184	Grafana 12.2.x < 12.2.8 Improper Authorization	Web App Scanning	Component Vulnerability	medium
115183	Grafana 12.1.x < 12.1.10 Improper Authorization	Web App Scanning	Component Vulnerability	medium
115182	Grafana < 11.6.14 Improper Authorization	Web App Scanning	Component Vulnerability	medium
304335	Linux Distros Unpatched Vulnerability : CVE-2026-21724	Nessus	Misc.	medium

Detections

Analytics

CVE-2026-21724

medium

Tenable Plugins

medium

medium

medium

medium

medium