CVE-2025-3454

Medium

Description

This vulnerability in Grafana's datasource proxy API allows authorization checks to be bypassed by adding an extra slash character in the URL path. Users with minimal permissions could gain unauthorized read access to GET endpoints in Alertmanager and Prometheus datasources. The issue primarily affects datasources that implement route-specific permissions, including Alertmanager and certain Prometheus-based datasources.

SeverityMedium
CVSS5.0
Exploit probability—
ProductGithub.com/grafana/grafana
PublishedJun 2, 2025
First seenJun 2, 2025
Weakness typeCWE-285CWE-285

How to fix

Update
  • github.com/grafana/grafana0.0.0-20250424191517-1f707d16ed5d or later

Affected products

ProductAffected versionsFixed in
github.com/grafana/grafanaGo0.0.0-20210414170620-dadccdda06e6 ≤ v < 0.0.0-20250424191517-1f707d16ed5d, 0.0.0-20210414170620-dadccdda06e6 ≤ v0.0.0-20250424191517-1f707d16ed5d

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