Vulnerability details
CVE-2026-15583
Grafana MCP Server
SSRF (confused deputy) in Grafana MCP Server via X-Grafana-URL header
CVSS 3.1
8.6High
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.6High | 3.1 | CVEProject cvelistV5 (CNA) (GRAFANA) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Grafana | Grafana MCP Server | v ≤ 0.17.1 | CVEProject cvelistV5 (CNA) |
References and advisories
1- https://grafana.com/security/security-advisories/cve-2026-15583 vendor-advisory
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Details
- Published
- 2026-07-15
- Last updated
- 2026-08-27
- State
- Published
- Assigner (CNA)
- GRAFANA
Exploit prediction (EPSS)
0.52%
Probability of exploitation in 30 days
45%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-610Externally Controlled Reference to a Resource in Another Sphere