CVE-2026-42129
Path Traversal in Loki Datasource leads to Internal Information Disclosure
CVSS Score
7.7
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | grafana |
| Product | grafana oss |
| Ecosystems | |
| Industries | Technology |
| Published | Jun 22, 2026 |
| Last Updated | Jun 22, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Grafana / Grafana OSS
All versions affected References
Credits
khanmarshal (Researcher)