{"cve":"CVE-2025-3454","nvd":{"published":"2025-06-02T11:15:22.167","modified":"2026-06-17T09:19:58.910","status":"Deferred","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.\n\nUsers with minimal permissions could gain unauthorized read access to GET endpoints in Alertmanager and Prometheus datasources.\n\nThe issue primarily affects datasources that implement route-specific permissions, including Alertmanager and certain Prometheus-based datasources.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N","score":5.0},"cwes":["CWE-285"],"references":["https://grafana.com/security/security-advisories/cve-2025-3454/"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:02:23.998251710+00:00"},"epss":{"cve":"CVE-2025-3454","score":0.00459,"percentile":0.39784,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-9j65-rv5x-4vrf","url":"https://osv.dev/vulnerability/GHSA-9j65-rv5x-4vrf","summary":"Grafana's datasource proxy API allows authorization checks to be bypassed","modified":"2026-09-10T03:50:25.091021740Z","packages":[{"ecosystem":"Go","name":"github.com/grafana/grafana","purl":"pkg:golang/github.com/grafana/grafana","ranges":[">=0.0.0-20210414170620-dadccdda06e6 <0.0.0-20250424191517-1f707d16ed5d"],"fixed":["0.0.0-20250424191517-1f707d16ed5d"]}]},{"id":"GO-2025-3742","url":"https://osv.dev/vulnerability/GO-2025-3742","summary":"Grafana's datasource proxy API allows authorization checks to be bypassed in github.com/grafana/grafana","modified":"2026-06-19T12:44:21.446362864Z","packages":[{"ecosystem":"Go","name":"github.com/grafana/grafana","purl":"pkg:golang/github.com/grafana/grafana","ranges":[">=0.0.0-20210414170620-dadccdda06e6"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}