CVE-2026-15583

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CVSS 3.1

8.6 high

EPSS

<1%p43

Published

Jul 15, 2026 (Jul 15, 2026)

Modified

Jul 15, 2026

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.

Weakness: CWE-610
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (0.5%)

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