CVE-2026-42129

Name: CVE-2026-42129
Creator: NVD / NIST
Published: 2026-06-22T14:17:36.34+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.7/10EPSS 0.39%

Last modified Jun 24, 2026

This CVE is reserved or awaiting analysis. Details will appear once published by NVD.

Description

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.

Metrics

CVSS 3.1

7.7/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

EPSS Probability

0.39%

31.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

References

https://grafana.com/security/security-advisories/cve-2026-42129

Timeline

Published: Jun 22, 2026
Last Modified: Jun 24, 2026
Status: Awaiting Analysis

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Source: NVD / NIST