Medium severity · published Mar 26, 2026
CVE-2026-21724
Missing Protected-field Authorization in Provisioning Contact Points API
4.3
CVSS
0.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 20% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GR
Grafana · Grafana
12.3.1 before 12.3.6; 12.2.2 before 12.2.8; 12.1.5 before 12.1.10; 11.6.9 before 11.6.14 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-21724
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-21724
Vendor Advisory
https://grafana.com/security/security-advisories/cve-2026-21724
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