{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","favicon":"https://feed.craftedsignal.io/favicon-32x32.png","feed_url":"https://feed.craftedsignal.io/tags/cve-2026-126187/feed.json","home_page_url":"https://feed.craftedsignal.io/","icon":"https://feed.craftedsignal.io/apple-touch-icon.png","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[{"id":"CVE-2026-126187"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["react-server-dom-webpack","react-server-dom-parcel","react-server-dom-turbopack"],"_cs_severities":["critical"],"_cs_tags":["remote-code-execution","react","cve-2026-126187"],"_cs_type":"advisory","_cs_vendors":[],"content_html":"\u003cp\u003eCVE-2026-126187 is a critical remote code execution vulnerability affecting react-server-dom-webpack, react-server-dom-parcel, and react-server-dom-turbopack. The vulnerability occurs in rare cases where responses transport multiple typed arrays and an attacker-controlled value.\u003c/p\u003e\n\u003ch2 id=\"scope\"\u003eScope\u003c/h2\u003e\n\u003cp\u003eThis affects applications using frameworks that support React Server Components. Applications not using a server, or not using a framework, bundler, or bundler plugin that supports React Server Components, are not affected.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cp\u003eUpgrade affected packages to versions 19.0.9, 19.1.10, 19.2.9, or 19.3.1.\u003c/p\u003e\n","date_modified":"2026-11-11T07:26:10Z","date_published":"2026-11-11T07:26:10Z","id":"https://feed.craftedsignal.io/briefs/2026-11-react-rce/","summary":"A critical remote code execution vulnerability in React Server Components packages allows unauthenticated attackers to execute code via crafted responses involving multiple typed arrays.","title":"React: Unauthenticated Remote Code Execution in React Server Components (CVE-2026-126187)","url":"https://feed.craftedsignal.io/briefs/2026-11-react-rce/"}],"language":"en","title":"CraftedSignal Threat Feed - Cve-2026-126187","version":"https://jsonfeed.org/version/1.1"}