Server-Side Request Forgery (SSRF) in Grafana MCP - CVE-2026-19516
Published: August 13, 2026
Vulnerability identifier: #VU142460
CSH Severity: Medium
CVSS v4: 7.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:L/SC:L/SI:N/SA:N]
CVE-ID: CVE-2026-19516
CWE-ID: CWE-918
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to perform server-side request forgery and disclose sensitive information.
The vulnerability exists due to improper control of outbound request destinations in grafana_api_request when handling a supplied X-Grafana-URL header. A remote user can send a crafted request with a chosen header, HTTP method, path, and body to perform server-side request forgery and disclose sensitive information.
The issue can be used to reach internal, loopback, and link-local network services, including metadata endpoints.
Affected software
Grafana MCP
How to mitigate CVE-2026-19516
Install security update from vendor's website.
Grafana MCP - update to 1.1.0