5.0 Medium

CVE-2025-3454 This vulnerability in Grafana's datasource proxy API allows authorization checks to be bypassed by adding an extra slash…

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.

Affected products and versions

Product	Affected versions	Fixed in
grafana 11.6	earliest → < 11.6.0+security-01	11.6.0+security-01
grafana 11.5	11.5.0 → < 11.5.3+security-01	11.5.3+security-01
grafana 11.4	11.4.0 → < 11.4.3+security-01	11.4.3+security-01
grafana 11.3	11.3.0 → < 11.3.5+security-01	11.3.5+security-01
grafana 11.2	11.2.0 → < 11.2.8+security-01	11.2.8+security-01
grafana 10.4	10.4.0 → < 10.4.17+security-01	10.4.17+security-01
Grafana Enterprise 11.6	earliest → < 11.6.0+security-01	11.6.0+security-01
Grafana Enterprise 11.5	11.5.0 → < 11.5.3+security-01	11.5.3+security-01
Grafana Enterprise 11.4	11.4.0 → < 11.4.3+security-01	11.4.3+security-01

Show the 3 other branches

Product	Affected versions	Fixed in
Grafana Enterprise 11.3	11.3.0 → < 11.3.5+security-01	11.3.5+security-01
Grafana Enterprise 11.2	11.2.0 → < 11.2.8+security-01	11.2.8+security-01
Grafana Enterprise 10.4	10.4.0 → < 10.4.17+security-01	10.4.17+security-01