SB2026072432 - Server-Side Request Forgery (SSRF) in Grafana MCP

Description

This security bulletin contains information about 1 vulnerability.

1) Server-Side Request Forgery (SSRF) (CVE-ID: CVE-2026-15583)

CWE-ID: CWE-918 - Server-Side Request Forgery (SSRF)

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N/E:U/U:Amber

The vulnerability allows a remote attacker to disclose sensitive information.

The vulnerability exists due to server-side request forgery in the X-Grafana-URL request header handling when processing crafted requests. A remote attacker can supply a crafted X-Grafana-URL header to disclose sensitive information.

The issue can expose the server's environment-configured Grafana service-account token, and may also enable access to arbitrary internal services including cloud metadata endpoints.

Remediation

Install update from vendor's website.

References

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