7.7
/ 10
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Description
The Loki datasource plugin's callResource handler contains a path traversal vulnerability. An authenticated Viewer-role user can escape the plugin's resource sandbox and access administrative Loki endpoints (e.g. /config, /services, /ready) to extract sensitive backend configuration and internal service information.
Basic Information
ID
CVE-2026-42129
Source
GRAFANA
Published
Jun 22, 2026 at 13:18
Affected Product
Vendor
Grafana
Product
Grafana OSS