CVE-2026-42129
HIGH
NVD
CVSS Score
7.7
Severity
HIGH
Published
Jun 22, 2026
Vendor
unknown
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.