Vulnerability · Published Mar 27, 2026 · Assigned by GRAFANA

CVE-2026-27879Query resampling can cause unbounded memory allocations

Medium 6.5

In plain English

A medium-severity uncontrolled resource consumption in Grafana from Grafana. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.5Medium

Exploit odds (30 days)0.4%top 66.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A resample query can be used to trigger out-of-memory crashes in Grafana.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Alpine:v3.23	grafana	12.2.8-r0	ALPINE-CVE-2026-27879
Alpine:v3.24	grafana	12.4.3-r0	ALPINE-CVE-2026-27879

Affected products (as reported)

Vendor	Product	Versions
Grafana	Grafana	8.0.0 – before 11.6.1412.0.0 – before 12.1.1012.2.0 – before 12.2.812.3.0 – before 12.3.612.4.0 – before 12.4.2

Weakness: CWE-400 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

https://grafana.com/security/security-advisories/cve-2026-27879 vendor-advisory