[ CVE-2026-88858 · Published 28 Oct 2026 ]

Vulnerability in Grafana OSS

CVSS 6.5 EPSS <1%1 agency advisoryNo fix listed yet

[ Description ]Official description

A user with the Viewer role in Grafana can crash the server by submitting a crafted server-side math expression (uncontrolled recursion). A user with permission to provision alert rules can make the outage persist across restarts.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

BSI CERT-Bund28 Oct 2026WID-SEC-2026-4237

Grafana: Multiple vulnerabilities Translated from German
CVE-2026-88858CVE-2026-100105CVE-2026-103506+1 more CVEs

[ References ]References

grafana.com/security/security-advisories/cve-2026-88858

[ Facts ]Key facts

CVE: CVE-2026-88858
EUVD: EUVD-2026-112198
Published: 28 Oct 2026, 17:18 UTC
Updated: 29 Oct 2026, 15:29 UTC
NVD status: Awaiting Analysis
CVSS 3.1: 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Scored by security@grafana.com
EPSS: 0.34% chance of exploitation in 30 days · higher than 28% of CVEs
Weakness: CWE-20 CWE-400 CWE-674

[ Affected ]Affected products

Grafana Grafana OSS7.4.0 – ≤ 11.6.16, 12.0.0 – ≤ 12.2.10, 12.3.0 – ≤ 12.3.11, 12.4.0 – ≤ 12.4.13, 13.0.0 – ≤ 13.0.11, 13.1.0 – ≤ 13.1.8
Grafana Grafana Enterprise7.4.0 – ≤ 11.6.16, 12.0.0 – ≤ 12.2.10, 12.3.0 – ≤ 12.3.11, 12.4.0 – ≤ 12.4.13, 13.0.0 – ≤ 13.0.11, 13.1.0 – ≤ 13.1.8

[ Description ]Official description

[ Fixes ]Fixes and patches

[ Advisories ]Government CERT advisories

Grafana: Multiple vulnerabilities Translated from German

[ References ]References