PT-2026-51303 · Grafana+1 · Loki Datasource Plugin+1

·

CVE-2026-42129

·

Published

2026-06-22

·

Updated

2026-07-14

CVSS v3.1

7.7

High

VectorAV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Name of the Vulnerable Software and Affected Versions Loki datasource plugin (affected versions not specified)
Description The callResource handler in the Loki datasource plugin contains a path traversal flaw. This allows an authenticated user with a Viewer role to escape the resource sandbox and access administrative endpoints such as '/config', '/services', and '/ready'. This access can be used to extract internal service information and sensitive backend configurations.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Path traversal

Found an issue in the description? Have something to add? Feel free to write us 👾

Weakness Enumeration

Related Identifiers

BDU:2026-10800
CVE-2026-42129

Affected Products

Loki Datasource Plugin
Red Os