What is CVE-2026-27876?

CVE-2026-27876 is a critical-severity vulnerability in Grafana. CVSS score: 9.1/10. Published 2026-03-27.

How severe is CVE-2026-27876?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Is CVE-2026-27876 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Grafana

CVE-2026-27876

A chained attack via SQL Expressions and a Grafana Enterprise plugin can lead to a remote arbitrary code execution impact (RCE). This is enabled by a feature in Grafana (OSS), so all users are always recommended to update to avoid future a…

EPSS: 0.002 (40.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.

Affected products

Grafana — versions 11.6.0, 12.0.0, 12.2.0

Public proof-of-concept exploits

0xBlackash/CVE-2026-27876

References

grafana.com/security/security-advisories/cve-2026-27876 (vendor-advisory)

Frequently asked questions

What is CVE-2026-27876?: CVE-2026-27876 is a critical-severity vulnerability in Grafana. CVSS score: 9.1/10. Published 2026-03-27.
How severe is CVE-2026-27876?: Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2026-27876 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.