CVE-2026-15583

Published: Jul 15, 2026Modified: Jul 15, 2026

8.6

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Exploitability: 3.9 / Impact: 4.0

Source: security@grafana.com (Secondary)

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.

Related CWEs

CWE-610

Externally Controlled Reference to a Resource in Another Sphere

The product uses an externally controlled name or reference that resolves to a resource that is outside of the intended control sphere.

References (1)

https://grafana.com/security/security-advisories/cve-2026-15583

Source: security@grafana.com

Timeline

No history available yet.