{"id":"CVE-2026-19516","state":"PUBLISHED","title":"CVE-2026-19516 CVE Record","description":"A caller-supplied X-Grafana-URL request header controls the destination of mcp-grafana's outbound requests, and the grafana_api_request tool lets the caller also choose the HTTP method, path, and body. Because the destination is not restricted to the configured Grafana instance, a caller can direct requests at internal, loopback, and link-local network services (including metadata endpoints) and read the responses, resulting in server-side request forgery. The fix for CVE-2026-15583 prevented the configured service-account token from being sent to unintended destinations but did not restrict the destinations themselves.","publishedAt":"2026-08-11T05:28:30.662Z","updatedAt":"2026-08-27T17:22:24.258Z","severity":{"score":9.1,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L","source":"GRAFANA"},"assigner":"GRAFANA","products":["Grafana Grafana MCP Server","Grafana mcp-grafana"],"affected":[{"vendor":"Grafana","product":"Grafana MCP Server","defaultStatus":"unaffected","versions":[{"version":"0.0.0","status":"affected","lessThanOrEqual":"1.0.0","versionType":"semver"}]},{"vendor":"Grafana","product":"mcp-grafana","defaultStatus":"unaffected","versions":[{"version":"0.0.0","status":"affected","lessThanOrEqual":"1.0.0","versionType":"semver"}]}],"references":["https://grafana.com/security/security-advisories/cve-2026-19516"],"weaknesses":["CWE-918"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/19xxx/CVE-2026-19516.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-19516","state":"PUBLISHED","datePublished":"2026-08-11T05:28:30.662Z","dateUpdated":"2026-08-27T17:22:24.258Z","assignerShortName":"GRAFANA","assignerOrgId":"57da9224-a3e2-4646-9d0e-c4dc2e05e7da","dateReserved":"2026-08-11T05:23:23.935Z"},"containers":{"cna":{"title":"CVE-2026-19516 CVE Record","descriptions":[{"lang":"en","value":"A caller-supplied X-Grafana-URL request header controls the destination of mcp-grafana's outbound requests, and the grafana_api_request tool lets the caller also choose the HTTP method, path, and body. Because the destination is not restricted to the configured Grafana instance, a caller can direct requests at internal, loopback, and link-local network services (including metadata endpoints) and read the responses, resulting in server-side request forgery. The fix for CVE-2026-15583 prevented the configured service-account token from being sent to unintended destinations but did not restrict the destinations themselves."}],"affected":[{"vendor":"Grafana","product":"Grafana MCP Server","defaultStatus":"unaffected","versions":[{"version":"0.0.0","status":"affected","lessThanOrEqual":"1.0.0","versionType":"semver"}]},{"vendor":"Grafana","product":"mcp-grafana","defaultStatus":"unaffected","versions":[{"version":"0.0.0","status":"affected","lessThanOrEqual":"1.0.0","versionType":"semver"}]}],"references":[{"url":"https://grafana.com/security/security-advisories/cve-2026-19516","tags":["vendor-advisory"]}],"metrics":[{"cvssV3_1":{"version":"3.1","baseScore":9.1,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-918","lang":"en","description":"CWE-918","type":"CWE"}]}],"providerMetadata":{"shortName":"GRAFANA","orgId":"57da9224-a3e2-4646-9d0e-c4dc2e05e7da","dateUpdated":"2026-08-27T17:22:24.258Z"},"datePublic":"2026-08-11T05:23:27.801Z","credits":[{"lang":"en","value":"foguel (Researcher)","type":"finder"}],"source":{"discovery":"BUG_BOUNTY"},"x_generator":{"engine":"cvelib 1.8.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-11T17:05:21.230758Z","id":"CVE-2026-19516","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-11T17:05:49.134Z"}}]}}}