Memory Allocation Vulnerability in Grafana Live by Grafana Labs
CVE-2026-28376

6.5MEDIUM

Key Information:

Vendor

Grafana
Status
Grafana Oss
Vendor
CVE Published:
13 May 2026

What is CVE-2026-28376?

The Grafana Live push endpoint is vulnerable to exploitation via large or streaming request bodies, which may cause unbounded memory allocation. Specifically, an authenticated user able to access the Grafana Live API can inadvertently or intentionally trigger this issue, leading to potential out-of-memory conditions. This represents a significant risk for applications relying on the Grafana Live service, emphasizing the need for immediate attention and mitigation strategies.

Affected Version(s)

Grafana OSS OnPrem 8.0.0 <= 11.6.14

Grafana OSS OnPrem 11.6.14 < 11.6.14+security-04

Grafana OSS OnPrem 12.0.0 <= 12.2.8

References

https://grafana.com/security/security-advisories/cve-2026...
vendor-advisory

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.