{"cve":{"cve_id":"CVE-2025-49595","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.00379,"epss_percentile":0.29647,"epss_as_of":"2026-06-23","description":"n8n is a workflow automation platform. Prior to version 1.99.0, there is a denial of Service vulnerability in /rest/binary-data endpoint when processing empty filesystem URIs (filesystem:// or filesystem-v2://). This allows authenticated attackers to cause service unavailability through malformed filesystem URI requests, effecting the /rest/binary-data endpoint and n8n.cloud instances (confirmed HTTP/2 524 timeout responses). Attackers can exploit this by sending GET requests with empty filesystem URIs (filesystem:// or filesystem-v2://) to the /rest/binary-data endpoint, causing resource exhaustion and service disruption. This issue has been patched in version 1.99.0.","published_at":"2025-07-03T12:16:47.207000Z","last_modified_at":null,"cvss_v3_score":4.9,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","cvss_v3_severity":"MEDIUM","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-400"],"nvd_references":["https://github.com/n8n-io/n8n/security/advisories/GHSA-pr9r-gxgp-9rm8","https://github.com/n8n-io/n8n/pull/16229","https://github.com/n8n-io/n8n/commit/43c52a8b4f844e91b02e3cc9df92826a2d7b6052"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:27:19.450748Z"},"effective_severity":"MEDIUM","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"H","value_label":"High"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"N","value_label":"None"},{"metric":"I","name":"Integrity","value":"N","value_label":"None"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"n8n-io","vendor_name":"n8n-io","product_slug":"n8n","product_name":"n8n","version_start":"< 1.99.0","version_start_inclusive":true,"version_end":"< 1.99.0","version_end_inclusive":true,"cpe23_uri":"cve5:n8n-io:n8n:< 1.99.0:< 1.99.0"}],"exploit_refs":[],"news":[],"references":[{"url":"https://github.com/n8n-io/n8n/security/advisories/GHSA-pr9r-gxgp-9rm8","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://github.com/n8n-io/n8n/pull/16229","source_type":"PATCH","tags":["patch"]},{"url":"https://github.com/n8n-io/n8n/commit/43c52a8b4f844e91b02e3cc9df92826a2d7b6052","source_type":"PATCH","tags":["patch"]}],"timeline":[{"type":"published","at":"2025-07-03T12:16:47.207000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:47:06.346626Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:47:06.346626Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:47:06.346626Z","label":"CVSS score revised","source":"cvelistv5"}]}