{"cve":{"cve_id":"CVE-2026-53663","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":0.00106,"epss_percentile":0.0134,"epss_as_of":"2026-06-23","description":"React Router is a router for React. From 7.12.0 until 7.15.1, certain CSRF checks in React Router v7 Framework Mode were insufficient and run on POST requests, but were bypassed on PUT/PATCH/DELETE requests. This is a low severity vulnerability because modern browser protections (CORS preflight, SameSite cookies) already block the cross-origin attack vectors that this missing CSRF check would otherwise gate. This vulnerability is fixed in 7.15.1.","published_at":"2026-06-22T17:39:29.160000Z","last_modified_at":null,"cvss_v3_score":3.1,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N","cvss_v3_severity":"LOW","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-352"],"nvd_references":["https://github.com/remix-run/react-router/security/advisories/GHSA-84g9-w2xq-vcv6"],"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":"2026-06-28T23:30:52.348775Z"},"effective_severity":"LOW","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":"H","value_label":"High"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"R","value_label":"Required"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"N","value_label":"None"},{"metric":"I","name":"Integrity","value":"L","value_label":"Low"},{"metric":"A","name":"Availability","value":"N","value_label":"None"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"remix-run","vendor_name":"remix-run","product_slug":"react-router","product_name":"react-router","version_start":">= 7.12.0, < 7.15.1","version_start_inclusive":true,"version_end":">= 7.12.0, < 7.15.1","version_end_inclusive":true,"cpe23_uri":"cve5:remix-run:react-router:>= 7.12.0, < 7.15.1:>= 7.12.0, < 7.15.1"},{"vendor_slug":"remix-run","vendor_name":"remix-run","product_slug":"server-runtime","product_name":"server-runtime","version_start":">= 2.17.3, < 2.17.5","version_start_inclusive":true,"version_end":">= 2.17.3, < 2.17.5","version_end_inclusive":true,"cpe23_uri":"cve5:remix-run:server-runtime:>= 2.17.3, < 2.17.5:>= 2.17.3, < 2.17.5"}],"exploit_refs":[],"news":[],"references":[{"url":"https://github.com/remix-run/react-router/security/advisories/GHSA-84g9-w2xq-vcv6","source_type":"VENDOR_ADVISORY","tags":["advisory"]}],"timeline":[{"type":"published","at":"2026-06-22T17:39:29.160000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:55:28.590503Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:55:28.590503Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:55:28.590503Z","label":"CVSS score revised","source":"cvelistv5"}]}