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.
Published: 2026-10-28
Score: 6.5 Medium
EPSS: n/a
KEV: No
AI Analysis

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Remediation

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History

Wed, 28 Oct 2026 17:00:00 +0000

Type Values Removed Values Added
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.
Title Server-side expression parser denial of service
Weaknesses CWE-20
CWE-400
CWE-674
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: GRAFANA

Published:

Updated: 2026-10-28T16:50:17.291Z

Reserved: 2026-09-10T10:30:46.142Z

Link: CVE-2026-88858

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-28T17:18:45.967

Modified: 2026-10-28T17:18:45.967

Link: CVE-2026-88858

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-20

    Improper Input Validation

  • CWE-400

    Uncontrolled Resource Consumption

  • CWE-674

    Uncontrolled Recursion