CVE-2026-42129 Path Traversal in Loki Datasource leads to Internal Information Disclosure

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...

CVE-2026-42129

The CVE describes a path traversal vulnerability in the Loki datasource plugin (callResource handler). An authenticated Viewer-role user can escape the plugin’s resource sandbox and reach administrative Loki endpoints (for example, /config, /services, /ready) to exfiltrate sensitive backend confi...