CVE-2026-21724

Aliases:GHSA-7g92-g4vh-hp84BIT-grafana-2026-21724
Advisory lineage Upstream: 0 Downstream: 3
Analyzed
Published: 26 Mar 2026, 20:06
Last modified:13 May 2026, 19:28

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.4 MEDIUM
v3.1 (cve.org)
EPSS Score
0.02% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

26 Mar 2026, 20:06
Published
Vulnerability first disclosed
13 May 2026, 19:28
Last Modified
Vulnerability information updated

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 Metrics

  • v3.1•MEDIUM•Score: 5.4CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
  • v3.1•MEDIUM•Score: 4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

EPSS Trends

Current EPSS score: 0.02%• Percentile: 5%

Techniques & Countermeasures

  • CWE-285•Improper Authorization

    The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.

Affected Systems

  • github.com/grafana•grafana

    < 1.9.2-0.20260323180334-daffe750de85

  • grafana•grafana

    ≥ 11.6.9, < 11.6.14 | ≥ 12.1.5, < 12.1.10 | ≥ 12.2.2, < 12.2.8 | ≥ 12.3.1, < 12.3.6

  • grafana•grafana oss

    ≥ >=v12.3.1, < <v12.3.6 | ≥ >=v12.2.2, < <v.12.2.8 | ≥ >=v.12.1.5, < <v.12.1.10 | ≥ >=v11.6.9, < <v11.6.14 | ≥ 12.3.1, < 12.3.6 | ≥ 12.2.2, < 12.2.8 | ≥ 12.1.5, < 12.1.10 | ≥ 11.6.9, < 11.6.14

References (5)