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    CVE-2026-15583

    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.

    Published:Jul 15, 2026
    Last Modified:Jul 30, 2026
    EPS:Jul 15, 2026
    EPSS Score:0.00492
    CVSS Score:8.6

    Affected Products

    Vendor
    Grafana
    Product
    Grafana Mcp Server

    Exploits

    https://github.com/codeb0ssx/CVE-2026-15583-PoC

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-219 XML Routing Detour Attacks

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High