CVE-2026-42129

published 2026-06-22

CVE-2026-42129: 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…

Priority P3 44 high 7.7 CVSS 3.1

AV N AC L PR L UI N S C C H I N A N

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.

Affected

5 ranges

Vendor	Product	Version range	Fixed in
grafana	grafana_oss	11.6.0 – 11.6.14	—
grafana	grafana_oss	12.2.0 – 12.2.8	—
grafana	grafana_oss	12.3.0 – 12.3.6	—
grafana	grafana_oss	12.4.0 – 12.4.3	—
grafana	grafana_oss	13.0.0 – 13.0.1	—

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CWE-22