{"api_version":"1","generated_at":"2026-07-23T22:43:32+00:00","cve":"CVE-2023-27591","urls":{"html":"https://cve.report/CVE-2023-27591","api":"https://cve.report/api/cve/CVE-2023-27591.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-27591","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-27591"},"summary":{"title":"CVE-2023-27591","description":"Miniflux is a feed reader. Prior to version 2.0.43, an unauthenticated user can retrieve Prometheus metrics from a publicly reachable Miniflux instance where the `METRICS_COLLECTOR` configuration option is enabled and `METRICS_ALLOWED_NETWORKS` is set to `127.0.0.1/8` (the default). A patch is available in Miniflux 2.0.43. 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Prior to version 2.0.43, an unauthenticated user can retrieve Prometheus metrics from a publicly reachable Miniflux instance where the `METRICS_COLLECTOR` configuration option is enabled and `METRICS_ALLOWED_NETWORKS` is set to `127.0.0.1/8` (the default). A patch is available in Miniflux 2.0.43. As a workaround, set `METRICS_COLLECTOR` to `false` (default) or run Miniflux behind a trusted reverse-proxy."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-1220: Insufficient Granularity of Access Control","cweId":"CWE-1220"}]},{"description":[{"lang":"eng","value":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","cweId":"CWE-200"}]}]},"affects":{"vendor":{"vendor_data":[{"vendor_name":"miniflux","product":{"product_data":[{"product_name":"v2","version":{"version_data":[{"version_affected":"=","version_value":"< 2.0.43"}]}}]}}]}},"references":{"reference_data":[{"url":"https://github.com/miniflux/v2/security/advisories/GHSA-3qjf-qh38-x73v","refsource":"MISC","name":"https://github.com/miniflux/v2/security/advisories/GHSA-3qjf-qh38-x73v"},{"url":"https://github.com/miniflux/v2/pull/1745","refsource":"MISC","name":"https://github.com/miniflux/v2/pull/1745"},{"url":"https://github.com/miniflux/v2/releases/tag/2.0.43","refsource":"MISC","name":"https://github.com/miniflux/v2/releases/tag/2.0.43"},{"url":"https://miniflux.app/docs/configuration.html#metrics-collector","refsource":"MISC","name":"https://miniflux.app/docs/configuration.html#metrics-collector"}]},"source":{"advisory":"GHSA-3qjf-qh38-x73v","discovery":"UNKNOWN"},"impact":{"cvss":[{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"}]}},"nvd":{"publishedDate":"2023-03-17 20:15:00","lastModifiedDate":"2023-03-24 14:50:00","problem_types":["NVD-CWE-noinfo"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:miniflux_project:miniflux:*:*:*:*:*:go:*:*","versionEndExcluding":"2.0.43","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}