CVE-2025-11539

{"id": "CVE-2025-11539", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security@grafana.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.9, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 3.1}]}, "published": "2025-10-09T08:15:38.813", "references": [{"url": "https://github.com/grafana/grafana-image-renderer/releases/tag/v4.0.17", "source": "security@grafana.com"}, {"url": "https://grafana.com/security/security-advisories/cve-2025-11539/", "source": "security@grafana.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "security@grafana.com", "description": [{"lang": "en", "value": "CWE-94"}]}], "descriptions": [{"lang": "en", "value": "Grafana Image Renderer is vulnerable to remote code execution due to an\u00a0arbitrary file write vulnerability. This is due to the fact that the /render/csv endpoint lacked validation of the filePath parameter that allowed an attacker to save a shared object to an arbitrary location that is then loaded by the Chromium process.\n\nInstances are vulnerable if:\n\n1. The default token (\"authToken\") is not changed, or is known to the attacker.\n2. The attacker can reach the image renderer endpoint.\nThis issue affects grafana-image-renderer: from 1.0.0 through 4.0.16."}], "lastModified": "2025-10-09T15:50:04.013", "sourceIdentifier": "security@grafana.com"}