CVE-2026-15583

SSRF (confused deputy) in Grafana MCP Server via X-Grafana-URL header

Published Jul 15, 2026 CVSS 3.1 · 8.6 High EPSS < 1% KEV · Not listed
Description
A confused-deputy flaw in Grafana MCP Server allows an unauthenticated remote attacker to exfiltrate the server's environment-configured Grafana service-account token by supplying a crafted X-Grafana-URL request header. This also enables SSRF against arbitrary internal services, including cloud metadata endpoints.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Grafana
Grafana grafana Mcp Server
Vendors & Products Grafana
Grafana grafana Mcp Server
Type Values Removed Values Added
Weaknesses CWE-610
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description A confused-deputy flaw in Grafana MCP Server allows an unauthenticated remote attacker to exfiltrate the server's environment-configured Grafana service-account token by supplying a crafted X-Grafana-URL request header. This also enables SSRF against arbitrary internal services, including cloud metadata endpoints.
Title SSRF (confused deputy) in Grafana MCP Server via X-Grafana-URL header
References
Metrics cvssV3_1

{'score': 8.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GRAFANA
Published
Updated
Aug 27, 2026, 5:22 PM
Reserved
Jul 13, 2026, 11:27 AM
Status
Awaiting Analysis
Published
Jul 15, 2026, 8:16 AM
Modified
Oct 24, 2026, 10:10 PM