VULNERABILITY INTELLIGENCE
CVE-2026-15583
CVSS score8.6 HIGH
EPSS probability0.53%
CISA KEVNot currently listed
Published2026-07-15
Last modified2026-10-24
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
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 classification
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-610