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.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
None
Availability
None
Affected products
- Grafana / Grafana11.6.0 – 11.6.0+security-01
- Grafana / Grafana11.5.0 – 11.5.3+security-01
- Grafana / Grafana11.4.0 – 11.4.3+security-01
- Grafana / Grafana11.3.0 – 11.3.5+security-01
- Grafana / Grafana11.2.0 – 11.2.8+security-01
- Grafana / Grafana10.4.0 – 10.4.17+security-01
- Grafana / Grafana Enterprise11.6.0 – 11.6.0+security-01
- Grafana / Grafana Enterprise11.5.0 – 11.5.3+security-01
- Grafana / Grafana Enterprise11.4.0 – 11.4.3+security-01
- Grafana / Grafana Enterprise11.3.0 – 11.3.5+security-01
- Grafana / Grafana Enterprise11.2.0 – 11.2.8+security-01
- Grafana / Grafana Enterprise10.4.0 – 10.4.17+security-01