{"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/products/electron--44.0.0-alpha.1--44.0.0-beta.6/feed.json","home_page_url":"https://feed.craftedsignal.io/","icon":"https://feed.craftedsignal.io/apple-touch-icon.png","items":[{"_cs_actors":[],"_cs_cpes":["cpe:2.3:a:openjsf:electron:*:*:*:*:*:*:*:*"],"_cs_cves":[{"cvss":8.3,"id":"CVE-2026-102676"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["Electron (41.10.6, 42.9.2, 43.4.1, 44.0.0-beta.5)","Electron (\u003e= 42.3.3, \u003c 42.10.0)","Electron (\u003e= 43.0.0-beta.1, \u003c 43.5.0)","Electron (\u003e= 44.0.0-alpha.1, \u003c 44.0.0-beta.6)"],"_cs_severities":["high"],"_cs_tags":["vulnerability","code-execution","framework"],"_cs_type":"advisory","_cs_vendors":["OpenJS Foundation"],"content_html":"\u003cp\u003eThe Electron framework is susceptible to a privilege escalation vulnerability (CVE-2026-102676) where a \u003ccode\u003e\u0026lt;webview\u0026gt;\u003c/code\u003e tag may enable Node.js integration in its associated Web Workers, even when the parent embedder has explicitly disabled Node.js integration. This flaw creates a scenario where untrusted guest content gains unauthorized access to Node.js APIs, bypassing the security boundaries established by the parent application. The vulnerability specifically impacts applications that utilize the \u003ccode\u003e\u0026lt;webview\u0026gt;\u003c/code\u003e tag in an unsandboxed state. The lack of proper isolation between the embedder and the guest process allows for potential sandbox escapes or cross-context code execution, as the guest worker context assumes permissions that the developer intended to restrict. Defenders should prioritize auditing Electron-based applications for the use of the \u003ccode\u003e\u0026lt;webview\u0026gt;\u003c/code\u003e component and ensuring that \u003ccode\u003enodeIntegrationInWorker\u003c/code\u003e is correctly managed or that the \u003ccode\u003esandbox\u003c/code\u003e mode is strictly enforced.\u003c/p\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation allows guest content within a \u003ccode\u003e\u0026lt;webview\u0026gt;\u003c/code\u003e to access privileged Node.js APIs that should have been disabled. This can lead to arbitrary code execution within the context of the guest process, potentially allowing an attacker to escape the intended sandbox and compromise the application or the underlying host system.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cp\u003ePrioritized actions for development and security operations teams:\u003c/p\u003e\n\u003cul\u003e\n\u003cli\u003ePatch all applications using the affected Electron versions by updating to at least 41.10.6, 42.9.2, 43.4.1, or 44.0.0-beta.5.\u003c/li\u003e\n\u003cli\u003eImplement a configuration audit to identify instances where the \u003ccode\u003e\u0026lt;webview\u0026gt;\u003c/code\u003e tag is enabled, particularly when loading untrusted remote content.\u003c/li\u003e\n\u003cli\u003eRemove \u003ccode\u003enodeIntegrationInWorker\u003c/code\u003e from guest preferences within the \u003ccode\u003ewill-attach-webview\u003c/code\u003e handler in the application source code.\u003c/li\u003e\n\u003cli\u003eEnforce the use of the sandbox mode for all \u003ccode\u003e\u0026lt;webview\u0026gt;\u003c/code\u003e components to isolate guest processes from host resources.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-09-29T22:19:13Z","date_published":"2026-09-29T22:19:05Z","id":"https://feed.craftedsignal.io/briefs/2026-09-electron-webview-node-integration/","summary":"A vulnerability in the Electron framework allows a \u003cwebview\u003e tag to enable Node.js integration within Web Workers regardless of the embedder's restricted settings, potentially leading to unauthorized code execution.","title":"Electron WebView Node.js Integration Bypass","url":"https://feed.craftedsignal.io/briefs/2026-09-electron-webview-node-integration/"}],"language":"en","title":"CraftedSignal Threat Feed - Electron (\u003e= 44.0.0-Alpha.1, \u003c 44.0.0-Beta.6)","version":"https://jsonfeed.org/version/1.1"}