#VU124709 Improper Authorization in Grafana - CVE-2026-21724

 

#VU124709 Improper Authorization in Grafana - CVE-2026-21724

Published: March 31, 2026


Vulnerability identifier: #VU124709
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-21724
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Grafana
Software vendor:
Grafana Labs

Description

The vulnerability allows a remote user to modify protected webhook URLs.

The vulnerability exists due to improper access control in the Provisioning Contact Points API when handling API requests. A remote user can send a specially crafted request to modify protected webhook URLs.

Successful exploitation allows modification of protected contact points without the required alert.notifications.receivers.protected:write permission.


Remediation

Install security update from vendor's website.

External links