VULNERABILITY INTELLIGENCE

CVE-2026-42127

CVSS score7.5 HIGH
EPSS probability0.43%
CISA KEVNot currently listed
Published2026-06-22
Last modified2026-07-10
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

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.

Weakness classification

  • security@grafana.com: CWE-400
  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-770

Primary references