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Vulnerability record · CVE-2026-42129 · published 22 June 2026

CVE-2026-42129: Grafana loki datasource path traversal vulnerability

Grafana · Loki Datasource

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.

7.7 CVSS 3.1 High EPSS 0.44% · top 64.0% CWE-22 · Path traversal
7.7CVSS 3.1 base score
0.44%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
10 Jul 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Source: NIST National Vulnerability Database (record CVE-2026-42129), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.