{"id":"EUVD-2026-36729","revision":"b5e7b2dd8f564c8a8dfec132c88a7f2c","records":[{"revision":"b5e7b2dd8f564c8a8dfec132c88a7f2c","observedAt":"2026-10-28T10:37:48.679+00:00","statement":{"source":"euvd","id":"EUVD-2026-36729","aliases":["CVE-2026-9595","GHSA-mx8g-39q3-5c79"],"title":"Impact: When a user-configured proxy on webpack-dev-server has a broad context (e.g. /) and ws: true, it also intercepts the dev server's own HMR WebSocket and forwards it to the proxy target. This leaks the browser's cookies and Origin hea…","description":"Impact: When a user-configured proxy on webpack-dev-server has a broad context (e.g. /) and ws: true, it also intercepts the dev server's own HMR WebSocket and forwards it to the proxy target. This leaks the browser's cookies and Origin header to the backend, bypasses the dev server's Host/Origin validation, and corrupts the HMR socket (both HMR and the proxy end up writing to the same socket).\n\nPatches: Fixed in webpack-dev-server@5.2.5.\n\nWorkarounds: Scope user-defined proxy context to specific paths instead of /, or omit ws: true from the proxy entry when WebSocket forwarding is not required.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","score":5.3,"severity":null}],"references":["https://github.com/webpack/webpack-dev-server/security/advisories/GHSA-mx8g-39q3-5c79","https://cna.openjsf.org/security-advisories.html","https://github.com/webpack/webpack-dev-server/pull/4316","https://github.com/vuejs/vue-cli/commit/72ba7505aff2a8314e82aa5082379a77504a1fcb","https://github.com/facebook/create-react-app/pull/7444"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-36729","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Jun 15, 2026, 3:00:21 PM","dateUpdated":"Jun 15, 2026, 4:08:35 PM"},"relatedAdvisories":[{"id":"RHSA-2026:37628","title":"Red Hat Security Advisory: OpenShift Container Platform 4.20.29 bug fix and security update","vulnerabilityIds":["CVE-2026-6322","CVE-2026-9595","CVE-2026-13676","CVE-2026-44293"]},{"id":"RHSA-2026:50357","title":"Red Hat Security Advisory: Red Hat Ansible Automation Platform 2.5 Container Release Update","vulnerabilityIds":["CVE-2026-9595","CVE-2026-11332","CVE-2026-13149","CVE-2026-34993","CVE-2026-44545","CVE-2026-55379","CVE-2026-59869","CVE-2026-59939"]},{"id":"RHSA-2026:50479","title":"Red Hat Security Advisory: Red Hat Ansible Automation Platform 2.6 Container Release Update","vulnerabilityIds":["CVE-2026-8643","CVE-2026-9595","CVE-2026-11332","CVE-2026-13149","CVE-2026-13676","CVE-2026-18141","CVE-2026-34993","CVE-2026-40898","CVE-2026-44545","CVE-2026-48990","CVE-2026-54058","CVE-2026-54060","CVE-2026-54283","CVE-2026-55379","CVE-2026-55380","CVE-2026-59197","CVE-2026-59869","CVE-2026-59886","CVE-2026-59939"]},{"id":"RHSA-2026:57590","title":"Red Hat Security Advisory: rh-podman-desktop security, bug fix, and enhancement update","vulnerabilityIds":["CVE-2026-9595","CVE-2026-12143","CVE-2026-13149","CVE-2026-13676","CVE-2026-14257","CVE-2026-34986","CVE-2026-42338","CVE-2026-42570","CVE-2026-44705","CVE-2026-45623","CVE-2026-45736","CVE-2026-45740","CVE-2026-48068","CVE-2026-48779","CVE-2026-48801","CVE-2026-49978","CVE-2026-56876","CVE-2026-59869","CVE-2026-59873","CVE-2026-59874","CVE-2026-59877","CVE-2026-69152","CVE-2026-69153","CVE-2026-69192"]},{"id":"RHSA-2026:41951","title":"Red Hat Security Advisory: Red Hat Data Grid 8.6.2 security update","vulnerabilityIds":["CVE-2026-6322","CVE-2026-9595","CVE-2026-12143","CVE-2026-33245","CVE-2026-34077","CVE-2026-40983","CVE-2026-40984","CVE-2026-42211","CVE-2026-42264","CVE-2026-42342","CVE-2026-42583","CVE-2026-42586","CVE-2026-42587","CVE-2026-44248","CVE-2026-44249","CVE-2026-44250","CVE-2026-44486","CVE-2026-44487","CVE-2026-44488","CVE-2026-44492","CVE-2026-44494","CVE-2026-44495","CVE-2026-44496","CVE-2026-44890","CVE-2026-44893","CVE-2026-45292","CVE-2026-45416","CVE-2026-45674","CVE-2026-46340","CVE-2026-47691","CVE-2026-48006","CVE-2026-48043","CVE-2026-48059","CVE-2026-50010","CVE-2026-50011","CVE-2026-50193","CVE-2026-54512","CVE-2026-54513"]},{"id":"RHSA-2026:41928","title":"Red Hat Security Advisory: Red Hat Migration Toolkit for Containers","vulnerabilityIds":["CVE-2025-7783","CVE-2025-12816","CVE-2025-13465","CVE-2025-15284","CVE-2025-52881","CVE-2025-58183","CVE-2025-58754","CVE-2025-61726","CVE-2025-61729","CVE-2025-62718","CVE-2025-66031","CVE-2025-66418","CVE-2025-66471","CVE-2025-66506","CVE-2025-68121","CVE-2025-69223","CVE-2025-69227","CVE-2025-69228","CVE-2026-4800","CVE-2026-6322","CVE-2026-9277","CVE-2026-9595","CVE-2026-12143","CVE-2026-13149","CVE-2026-13676","CVE-2026-21441","CVE-2026-22029","CVE-2026-23490","CVE-2026-23745","CVE-2026-25679","CVE-2026-25681","CVE-2026-27136","CVE-2026-27137","CVE-2026-29063","CVE-2026-30922","CVE-2026-32280","CVE-2026-32281","CVE-2026-32283","CVE-2026-33186","CVE-2026-33810","CVE-2026-33811","CVE-2026-34986","CVE-2026-39820","CVE-2026-39821","CVE-2026-40895","CVE-2026-42264","CVE-2026-42338","CVE-2026-42499","CVE-2026-44486","CVE-2026-44487","CVE-2026-44488","CVE-2026-44492","CVE-2026-44494","CVE-2026-44495","CVE-2026-44496","CVE-2026-45736","CVE-2026-45822","CVE-2026-48779"]},{"id":"RHSA-2026:66545","title":"Red Hat Security Advisory: Red Hat AMQ Broker 7.13.6 release and security update","vulnerabilityIds":["CVE-2026-9595","CVE-2026-10050","CVE-2026-10051","CVE-2026-12143","CVE-2026-12151","CVE-2026-13149","CVE-2026-13676","CVE-2026-34478","CVE-2026-34480","CVE-2026-34481","CVE-2026-40984","CVE-2026-42198","CVE-2026-42264","CVE-2026-42338","CVE-2026-42578","CVE-2026-42581","CVE-2026-42584","CVE-2026-42587","CVE-2026-42588","CVE-2026-44248","CVE-2026-44249","CVE-2026-44486","CVE-2026-44487","CVE-2026-44488","CVE-2026-44492","CVE-2026-44494","CVE-2026-44495","CVE-2026-44496","CVE-2026-45205","CVE-2026-45416","CVE-2026-45736","CVE-2026-48779","CVE-2026-49362","CVE-2026-49363","CVE-2026-49364","CVE-2026-49432","CVE-2026-49978","CVE-2026-50010","CVE-2026-50734","CVE-2026-53916","CVE-2026-54512","CVE-2026-54513","CVE-2026-55831","CVE-2026-55833","CVE-2026-56745","CVE-2026-56746","CVE-2026-57822","CVE-2026-57967","CVE-2026-59869","CVE-2026-59873","CVE-2026-59874","CVE-2026-59888","CVE-2026-59899","CVE-2026-62243","CVE-2026-66257","CVE-2026-66273","CVE-2026-66274","CVE-2026-67593","CVE-2026-68494"]},{"id":"RHSA-2026:56338","title":"Red Hat Security Advisory: Ansible plug-ins for Red Hat Developer Hub Product Release Update","vulnerabilityIds":["CVE-2026-9595","CVE-2026-12143","CVE-2026-14257","CVE-2026-44705","CVE-2026-45623","CVE-2026-46625","CVE-2026-54272","CVE-2026-69152","CVE-2026-69153","CVE-2026-69192","CVE-2026-73086","CVE-2026-73088","CVE-2026-73089"]},{"id":"RHSA-2026:66488","title":"Red Hat Security Advisory: Red Hat AMQ Broker 7.14.1 release and security update","vulnerabilityIds":["CVE-2025-14813","CVE-2026-0636","CVE-2026-5588","CVE-2026-9595","CVE-2026-10050","CVE-2026-10051","CVE-2026-12143","CVE-2026-12151","CVE-2026-13149","CVE-2026-13676","CVE-2026-34478","CVE-2026-34480","CVE-2026-34481","CVE-2026-40983","CVE-2026-40984","CVE-2026-42198","CVE-2026-42264","CVE-2026-42338","CVE-2026-42578","CVE-2026-42581","CVE-2026-42583","CVE-2026-42584","CVE-2026-42587","CVE-2026-42588","CVE-2026-44248","CVE-2026-44249","CVE-2026-44486","CVE-2026-44487","CVE-2026-44488","CVE-2026-44492","CVE-2026-44494","CVE-2026-44496","CVE-2026-44893","CVE-2026-45205","CVE-2026-45416","CVE-2026-45736","CVE-2026-48043","CVE-2026-48059","CVE-2026-48779","CVE-2026-49362","CVE-2026-49363","CVE-2026-49364","CVE-2026-49432","CVE-2026-49978","CVE-2026-50010","CVE-2026-50734","CVE-2026-53916","CVE-2026-54512","CVE-2026-54513","CVE-2026-55831","CVE-2026-55833","CVE-2026-55851","CVE-2026-56745","CVE-2026-56746","CVE-2026-56819","CVE-2026-57822","CVE-2026-57967","CVE-2026-59869","CVE-2026-59873","CVE-2026-59874","CVE-2026-59899","CVE-2026-62243","CVE-2026-66257","CVE-2026-66273","CVE-2026-66274","CVE-2026-67593","CVE-2026-68494"]},{"id":"RHSA-2026:56357","title":"Red Hat Security Advisory: Ansible plug-ins for Red Hat Developer Hub Product Release Update","vulnerabilityIds":["CVE-2026-9595","CVE-2026-14257","CVE-2026-45623","CVE-2026-46625","CVE-2026-54272","CVE-2026-69152","CVE-2026-69153","CVE-2026-69192","CVE-2026-73086","CVE-2026-73088","CVE-2026-73089"]},{"id":"RHSA-2026:54760","title":"Red Hat Security Advisory: A Subscription Management tool for finding and reporting Red Hat product usage","vulnerabilityIds":["CVE-2025-4330","CVE-2026-6477","CVE-2026-8643","CVE-2026-9595","CVE-2026-11940","CVE-2026-13676","CVE-2026-13757","CVE-2026-14164","CVE-2026-14257","CVE-2026-34993","CVE-2026-41989","CVE-2026-69152","CVE-2026-69153","CVE-2026-69243","CVE-2026-69244","CVE-2026-73086","CVE-2026-73088","CVE-2026-73089"]},{"id":"RHSA-2026:59155","title":"Red Hat Security Advisory: Red Hat Ansible Automation Platform 2.6 Container Release Update","vulnerabilityIds":["CVE-2025-62718","CVE-2025-69223","CVE-2025-69227","CVE-2025-69228","CVE-2026-1615","CVE-2026-9595","CVE-2026-12143","CVE-2026-14257","CVE-2026-15307","CVE-2026-44545","CVE-2026-44705","CVE-2026-59886","CVE-2026-67325","CVE-2026-69152","CVE-2026-69243","CVE-2026-69244","CVE-2026-71364","CVE-2026-71365","CVE-2026-71366"]},{"id":"RHSA-2026:34794","title":"Red Hat Security Advisory: OpenShift Container Platform 4.22.4 bug fix and security update","vulnerabilityIds":["CVE-2026-9595","CVE-2026-33186","CVE-2026-34986","CVE-2026-35469","CVE-2026-42154","CVE-2026-44494"]},{"id":"RHSA-2026:51038","title":"Red Hat Security Advisory: OpenShift Container Platform 4.22.9 bug fix and security update","vulnerabilityIds":["CVE-2026-9595","CVE-2026-27136","CVE-2026-39828","CVE-2026-39835","CVE-2026-43003","CVE-2026-44918","CVE-2026-46597","CVE-2026-48801","CVE-2026-49332"]},{"id":"RHSA-2026:59153","title":"Red Hat Security Advisory: Red Hat Ansible Automation Platform 2.7 Container Release Update","vulnerabilityIds":["CVE-2026-9595","CVE-2026-12143","CVE-2026-15307","CVE-2026-27459","CVE-2026-39363","CVE-2026-44244","CVE-2026-44545","CVE-2026-44705","CVE-2026-46625","CVE-2026-59886","CVE-2026-69243","CVE-2026-69244","CVE-2026-71364","CVE-2026-71365","CVE-2026-71366"]},{"id":"RHSA-2026:37186","title":"Red Hat Security Advisory: OpenShift Container Platform 4.21.24 bug fix and security update","vulnerabilityIds":["CVE-2026-4800","CVE-2026-6322","CVE-2026-9595","CVE-2026-13676","CVE-2026-44293"]}],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-36729","identifiers":["EUVD-2026-36729","CVE-2026-9595","GHSA-mx8g-39q3-5c79"]},"retained":false,"historicalAffected":[]}],"coverage":[]}