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CVE PROGRAM SOURCE RECORD6.5 Medium

CVE-2026-88858

Server-side expression parser denial of service

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Status
Published
Published
Updated
Assigning organization
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

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Grafana Grafana OSS

Default version status: unaffected

  • 7.4.0 to ≤ 11.6.16affected
  • 12.0.0 to ≤ 12.2.10affected
  • 12.3.0 to ≤ 12.3.11affected
  • 12.4.0 to ≤ 12.4.13affected
  • 13.0.0 to ≤ 13.0.11affected
  • 13.1.0 to ≤ 13.1.8affected
  • 13.2.0 to ≤ 13.2.4affected

Grafana Grafana Enterprise

Default version status: unaffected

  • 7.4.0 to ≤ 11.6.16affected
  • 12.0.0 to ≤ 12.2.10affected
  • 12.3.0 to ≤ 12.3.11affected
  • 12.4.0 to ≤ 12.4.13affected
  • 13.0.0 to ≤ 13.0.11affected
  • 13.1.0 to ≤ 13.1.8affected
  • 13.2.0 to ≤ 13.2.4affected

References