CVE-2025-3454CWE-285

This vulnerability in Grafana's datasource proxy API allows authorization checks to be bypassed by adding an extra slash character in the URL path

Medium · published June 2, 2025

CVSS v3.1
5.0
EPSS
0%
Percentile
38.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.0 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00456 · 38.6th percentile
Weakness
CWE-285 · Improper Authorization
Published
2025-06-02T10:34Z
EPSS history
Timeline
  • 02 JUN 10:34Z
    This vulnerability in Grafana's datasource proxy API allows authorization checks to be bypassed by adding an extra slash character in the URL path
    cvelistv5