Grafana OSS: Auth Bypass in Contact Points API (Editor can spoof URLs)
CVE-2026-21724 Published on March 26, 2026
Missing Protected-field Authorization in Provisioning Contact Points API
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.
Weakness Type
What is an AuthZ Vulnerability?
The software does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.
CVE-2026-21724 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2026-21724
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Affected Versions
Grafana OSS:- Version 12.3.1 and below 12.3.6 is affected.
- Version 12.2.2 and below 12.2.8 is affected.
- Version 12.1.5 and below 12.1.10 is affected.
- Version 11.6.9 and below 11.6.14 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.