Name: CVE-2026-42129: Improper Limitation of a Pathname to a Restricted Directory
Creator: Rapid7
Published: 2026-06-22T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-42129, CWE-22, CVSS 7.7, EPSS 0.00443

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.

CVSS Details

CVSS 3.1 Base Score: 7.7
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Alpine Linux	—	Upgrade grafana	Jun 23, 2026	Jun 22, 2026

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CVSS Details

Covered by Rapid7

Prioritise with Active Threat Intelligence