{"cve":{"cve_id":"CVE-2026-49993","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":0.0028,"epss_percentile":0.19596,"epss_as_of":"2026-06-23","description":"Nuxt is an open-source web development framework for Vue.js. In @nuxt/rspack-builder and @nuxt/webpack-builder from versions 3.15.4 to before 3.21.7 and 4.0.0 to before 4.4.7, there is an incomplete fix for GHSA-6m52-m754-pw2g. Source code may still be stolen during dev when using the webpack / rspack builder if the dev server is bound to a non-loopback address (e.g. nuxt dev --host) and the developer opens a malicious site on the same network. This issue has been patched in versions 3.21.7 and 4.4.7.","published_at":"2026-06-12T12:57:43.232000Z","last_modified_at":null,"cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":5.9,"cvss_v4_vector":"CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","cvss_v4_severity":"MEDIUM","ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-749"],"nvd_references":["https://github.com/nuxt/nuxt/security/advisories/GHSA-x6qj-4h56-5rj5","https://github.com/nuxt/nuxt/security/advisories/GHSA-6m52-m754-pw2g","https://github.com/nuxt/nuxt/pull/35200","https://github.com/nuxt/nuxt/commit/77187ee4015e9267fb464951542a3e09e8b5fa05","https://github.com/nuxt/nuxt/commit/e351de943e82db16970618b60dc7fdbaa58630f3"],"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":"2026-06-28T23:30:46.591291Z"},"effective_severity":"MEDIUM","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":"4.0","metrics":[{"metric":"AV","name":"Attack Vector","value":"A","value_label":"Adjacent"},{"metric":"AC","name":"Attack Complexity","value":"H","value_label":"High"},{"metric":"AT","name":"Attack Requirements","value":"P","value_label":"Present"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"P","value_label":"Passive"},{"metric":"VC","name":"Confidentiality (Vulnerable System)","value":"H","value_label":"High"},{"metric":"VI","name":"Integrity (Vulnerable System)","value":"N","value_label":"None"},{"metric":"VA","name":"Availability (Vulnerable System)","value":"N","value_label":"None"},{"metric":"SC","name":"Confidentiality (Subsequent System)","value":"N","value_label":"None"},{"metric":"SI","name":"Integrity (Subsequent System)","value":"N","value_label":"None"},{"metric":"SA","name":"Availability (Subsequent System)","value":"N","value_label":"None"}]},"affected":[{"vendor_slug":"nuxt","vendor_name":"Nuxt","product_slug":"nuxt","product_name":"Nuxt","version_start":">= 3.15.4, < 3.21.7","version_start_inclusive":true,"version_end":">= 3.15.4, < 3.21.7","version_end_inclusive":true,"cpe23_uri":"cve5:nuxt:nuxt:>= 3.15.4, < 3.21.7:>= 3.15.4, < 3.21.7"},{"vendor_slug":"nuxt","vendor_name":"Nuxt","product_slug":"nuxt","product_name":"Nuxt","version_start":">= 4.0.0, < 4.4.7","version_start_inclusive":true,"version_end":">= 4.0.0, < 4.4.7","version_end_inclusive":true,"cpe23_uri":"cve5:nuxt:nuxt:>= 4.0.0, < 4.4.7:>= 4.0.0, < 4.4.7"}],"exploit_refs":[],"news":[],"references":[{"url":"https://github.com/nuxt/nuxt/security/advisories/GHSA-x6qj-4h56-5rj5","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://github.com/nuxt/nuxt/security/advisories/GHSA-6m52-m754-pw2g","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://github.com/nuxt/nuxt/pull/35200","source_type":"PATCH","tags":["patch"]},{"url":"https://github.com/nuxt/nuxt/commit/77187ee4015e9267fb464951542a3e09e8b5fa05","source_type":"PATCH","tags":["patch"]},{"url":"https://github.com/nuxt/nuxt/commit/e351de943e82db16970618b60dc7fdbaa58630f3","source_type":"PATCH","tags":["patch"]}],"timeline":[{"type":"published","at":"2026-06-12T12:57:43.232000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:55:10.688071Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:55:10.688071Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:55:10.688071Z","label":"CVSS score revised","source":"cvelistv5"}]}