Out-of-Memory Crash Vulnerability in Grafana by Grafana Labs
CVE-2026-27879

6.5MEDIUM

Key Information:

Vendor

Grafana
Status
Grafana
Vendor
CVE Published:
27 March 2026

What is CVE-2026-27879?

A vulnerability exists in Grafana that allows an attacker to craft a resample query that can lead to out-of-memory crashes, adversely affecting the stability and availability of the service. Upon exploitation, this vulnerability can consume excessive system resources, potentially leading to service outages. It is crucial for users of affected versions of Grafana to apply necessary updates or patches as recommended by the vendor to mitigate this risk.

Affected Version(s)

Grafana Cloud 8.0.0 < 11.6.14

Grafana Cloud 12.0.0 < 12.1.10

Grafana Cloud 12.2.0 < 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

.