What is CVE-2026-28376?

CVE-2026-28376 is a medium-severity vulnerability in Grafana, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2026-05-13.

How severe is CVE-2026-28376?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Resource exhaustion in Grafana

CVE-2026-28376

The Grafana Live push endpoint can be exploited to cause unbounded memory allocation by sending a large or streaming request body, potentially leading to out-of-memory conditions. An authenticated user with access to the Grafana Live API c…

EPSS: 0.000 (5.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Grafana — versions 11.6.14, 12.2.8, 12.3.6
Grafana Oss — versions 8.0.0, 11.6.14, 12.0.0

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

security@grafana.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-28376?: CVE-2026-28376 is a medium-severity vulnerability in Grafana, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2026-05-13.
How severe is CVE-2026-28376?: Medium severity. CVSS v3 base score is 6.5 out of 10.