CVE-2026-88858
Server-side expression parser denial of service
MEDIUM
6.5
CVSS Score
Published: October 28, 2026 at 04:50 PM UTC
Updated: October 29, 2026 at 03:29 PM UTC
1 product affected across 1 vendorGrafana
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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.3%
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
CVSS
6.5MEDIUMGRAFANA
Vector?
Quick Info
StatusAWAITING ANALYSIS
CWE
CWE-674CWE-20CWE-400
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