Allocation of Resources Without Limits or Throttling in Grafana - CVE-2026-28383
Published: May 18, 2026
Vulnerability identifier: #VU131636
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-28383
CWE-ID: CWE-770
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Grafana Labs
Affected software:
Grafana
Grafana
Detailed vulnerability description
The vulnerability allows a remote user to cause a denial of service.
The vulnerability exists due to uncontrolled memory allocation in the plugin resources endpoint when handling requests with large request bodies. A remote user can send a specially crafted request to cause a denial of service.
The issue can trigger an out-of-memory condition.
How to mitigate CVE-2026-28383
Install security update from vendor's website.