Skip to content
OpenAdvisories
Medium · 6.5 CVE-2026-88858 EUVD-2026-112198GHSA-8c7v-vg28-7vr8

Server-side expression parser denial of service

Published Oct 28, 2026 · Updated Nov 5, 2026 · Assigned by GRAFANA

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.

Affected products

VendorProductAffectedFixed
Grafana Grafana OSS 7.4.0 – ≤ 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, 13.2.0 – ≤ 13.2.4 —
Grafana Grafana Enterprise 7.4.0 – ≤ 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, 13.2.0 – ≤ 13.2.4 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Ubuntu 16.04 LTS grafana No fix yet —
ReleasePackageFixed inAdvisory
Red Hat Hardened Images 1 grafana13.1 13.1.9-0.1.hum1 RHSA-2026:95953
Red Hat Hardened Images 1 grafana13.2 13.2.5-0.1.hum1 RHSA-2026:99114
ReleasePackageFixed inAdvisory
Alpine v3.24 grafana 12.4.14-r0 —

Wolfi

ReleasePackageFixed inAdvisory
Wolfi rolling grafana-12.3 No fix yet —

Advisories 3

References