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Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-42127

The public dashboard query endpoint does not limit request body size before processing, allowing unauthenticated attackers to trigger excessive memory allocation by sending arbitrarily large JSON payloads. This can lead to denial of service through memory exhaustion. No valid dashboard access token or authentication is required to exploit this vulnerability.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 34.5%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2026-42127
  • Grafana » Grafana » Version: 12.2.0
    cpe:2.3:a:grafana:grafana:12.2.0
  • Grafana » Grafana » Version: 12.2.1
    cpe:2.3:a:grafana:grafana:12.2.1
  • Grafana » Grafana » Version: 12.2.2
    cpe:2.3:a:grafana:grafana:12.2.2
  • Grafana » Grafana » Version: 12.2.3
    cpe:2.3:a:grafana:grafana:12.2.3
  • Grafana » Grafana » Version: 12.2.4
    cpe:2.3:a:grafana:grafana:12.2.4
  • Grafana » Grafana » Version: 12.2.5
    cpe:2.3:a:grafana:grafana:12.2.5
  • Grafana » Grafana » Version: 12.2.6
    cpe:2.3:a:grafana:grafana:12.2.6
  • Grafana » Grafana » Version: 12.2.7
    cpe:2.3:a:grafana:grafana:12.2.7
  • Grafana » Grafana » Version: 12.2.8
    cpe:2.3:a:grafana:grafana:12.2.8
  • Grafana » Grafana » Version: 12.3.0
    cpe:2.3:a:grafana:grafana:12.3.0
  • Grafana » Grafana » Version: 12.3.1
    cpe:2.3:a:grafana:grafana:12.3.1
  • Grafana » Grafana » Version: 12.3.2
    cpe:2.3:a:grafana:grafana:12.3.2
  • Grafana » Grafana » Version: 12.3.3
    cpe:2.3:a:grafana:grafana:12.3.3
  • Grafana » Grafana » Version: 12.3.4
    cpe:2.3:a:grafana:grafana:12.3.4
  • Grafana » Grafana » Version: 12.3.5
    cpe:2.3:a:grafana:grafana:12.3.5
  • Grafana » Grafana » Version: 12.3.6
    cpe:2.3:a:grafana:grafana:12.3.6
  • Grafana » Grafana » Version: 12.4.0
    cpe:2.3:a:grafana:grafana:12.4.0
  • Grafana » Grafana » Version: 12.4.1
    cpe:2.3:a:grafana:grafana:12.4.1
  • Grafana » Grafana » Version: 12.4.2
    cpe:2.3:a:grafana:grafana:12.4.2
  • Grafana » Grafana » Version: 12.4.3
    cpe:2.3:a:grafana:grafana:12.4.3
  • Grafana » Grafana » Version: 13.0.0
    cpe:2.3:a:grafana:grafana:13.0.0
  • Grafana » Grafana » Version: 13.0.1
    cpe:2.3:a:grafana:grafana:13.0.1


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