CVE-2026-15583
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2026-15583 is indexed in GitHub PoC. Expect opportunistic scanning and exploitation attempts — prioritize remediation even though it is not (yet) in the CISA KEV catalog.
Serial number: AV26-710 Date: July 16, 2026 On July 15, 2026, Grafana published security advisories to address vulnerabilities in the following products: Grafana MCP Server – version 0.17.1 and prior Grafana Loki – version 3.7.0 and prior The Cyber Centre encourages users and administrators to review the provided web links and apply the necessary updates. Grafana MCP server-side request forgery via X-Grafana-URL header Loki detected_fields query limits results in unbounded memory allocation Grafana Blog
CSIRTS triage
- What
- A server-side request forgery vulnerability exists via the X-Grafana-URL header.
- Who is affected
- Users of Grafana MCP Server version 0.17.1 and prior.
- Urgency
- Remediation is necessary to prevent potential exploitation.
- Action
- Update to the latest version as recommended.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.49% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 40% of all EPSS-scored CVEs.
Exploit availability
Public exploit or proof-of-concept code for CVE-2026-15583 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- GitHub PoCPublic proof-of-concept repositories on GitHub reference this CVE.look it up ↗
Advisory coverage (2)
- unknownGrafana security advisory (AV26-710)cccs · 2026-07-16
- highCVE-2026-15583: A confused-deputy flaw in Grafana MCP Server allows an unauthenticated remote attacker to exfi…nvd · 2026-07-15
External references
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[](https://www.csirts.com/cve/CVE-2026-15583)