CVE-2026-88858mediumCWE-20CWE-400CWE-674

CVE-2026-88858: medium-severity vulnerability in Grafana Enterprise

Server-side expression parser denial of service

Published

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6.5epss 0.3%
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products
Grafana · Grafana EnterpriseGrafana · Grafana OSS
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