@angular/platform-server: Open Redirect via Protocol-Relative URLs in Server-Side Rendering (SSR)

影響: npm:@angular/platform-server >= 22.0.0, < 22.2.1 → 22.2.1, npm:@angular/platform-server >= 21.0.0, < 21.2.25 → 21.2.25, npm:@angular/platform-server >= 20.0.0, < 20.3.33 → 20.3.33, npm:@angular/platform-server <= 19.2.25

An open redirect vulnerability was identified in @angular/platform-server when Server-Side Rendering (SSR) is enabled. When Angular SSR renders an incoming request, URL resolution and platform navigation are managed by ServerPlatformLocation using resolveUrl (or parseUrl in v20). While resolveUrl rejected protocol-relative URLs whose raw string directly started with //, this check ran prior to WHATWG URL normalization. When a request URL includes a popping dot-segment followed by multiple slash…

GitHub Advisory Databaseで読む

2026/10/20 23:35、GitHub Advisory Databaseが「@angular/platform-server: Open Redirect via Protocol-Relative URLs in Server-Side Rendering (SSR)」を公開しました (種別: 脆弱性アドバイザリ)。重大度は「警告」(medium) です。関連する技術: JavaScript / Node.js、Angular。CVE: CVE-2026-111754。