Allocation of Resources Without Limits or Throttling in Grafana - CVE-2026-28376
Published: May 18, 2026
Vulnerability identifier: #VU131633
CSH Severity: Low
CVSS v4: 7.1 [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]
CVE-ID: CVE-2026-28376
CWE-ID: CWE-770
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to cause a denial of service.
The vulnerability exists due to uncontrolled memory allocation in Grafana Live push endpoint when handling a large or streaming request body. A remote user can send a large or streaming request body to cause a denial of service.
Affected software
Grafana
How to mitigate CVE-2026-28376
Install security update from vendor's website.
Grafana - addressed in versions 11.6.14+security-04, 12.2.8+security-04, 12.3.6+security-04, 12.4.3+security-02, 13.0.1+security-01