Path traversal in the Loki data source plugin (Grafana Grafana OSS)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.44 % · percentile 39 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- GRAFANA
- NVD status
- Modified
Description
A user with Viewer permissions can use a path traversal in the Loki data source plugin to reach administrative Loki endpoints and read sensitive backend configuration and internal service information.
Weaknesses (CWE)
- CWE-22 — Improper Limitation of a Pathname to a Restricted Directory
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.7 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N | GRAFANA |
| CVSS 3.1 | HIGH 7.7 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N | NVD · security@grafana.com (Secondary) |
Advisories
- GHSA-f74p-cwhp-x2wx — Grafana Loki datasource plugin's callResource handler contains a path traversal vulnerability.
- GO-2026-6544 — Grafana Loki datasource plugin's callResource handler contains a path traversal vulnerability. in github.com/grafana/grafana
European references
- ENISA EUVD · EUVD-2026-38241
- GCVE · GCVE-0-2026-42129
Affected configurations (NVD CPE)
cpe:2.3:a:grafana:loki_datasource:-:*:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| Grafana · Grafana OSS | affected 11.6.0 ≤ 11.6.14 ; affected 12.2.0 ≤ 12.2.8 ; affected 12.3.0 ≤ 12.3.6 ; affected 12.4.0 ≤ 12.4.3 ; affected 13.0.0 ≤ 13.0.1 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |