What’s Vulnerable › Vulnerabilities
CVE-2025-3454
- Severity: medium (CVSS 5.0 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-06-02 · updated 2026-06-17
- Weakness: CWE-285
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
- Grafana: from 11.6.0 before 11.6.0+security-01; from 11.5.0 before 11.5.3+security-01; from 11.4.0 before 11.4.3+security-01; from 11.3.0 before 11.3.5+security-01; from 11.2.0 before 11.2.8+security-01; from 10.4.0 before 10.4.17+security-01 — fixed in 10.4.17+security-01, 11.2.8+security-01, 11.3.5+security-01, 11.4.3+security-01, 11.5.3+security-01, 11.6.0+security-01
How to fix
Upgrade to a fixed version: Grafana 10.4.17+security-01, 11.2.8+security-01, 11.3.5+security-01, 11.4.3+security-01. Check the vendor advisory for mitigations.
References
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