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CVE-2026-50168— Angular: URL Parser Differential in @angular/platform-server leading to SSRF Allowlist Bypass

Quick assessment

Affected

angular angular

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Angular是Angular组织开源的一个开发平台。用于使用 Typescript / JavaScript 和其他语言构建移动和桌面 Web 应用程序。 Angular存在安全漏洞，该漏洞源于解析器差异问题，允许远程攻击者绕过主机允许列表限制并将服务器端传出请求重定向到任意外部端点。以下版本受到影响：22.0.0-rc.2之前版本、21.2.15之前版本、20.3.22之前版本、19.2.23之前版本和18.2.14及之前版本。

AI Predicted 8.1 Difficulty: Easy EPSS 0.24% · P15 Updated Jun 27, 2026

Possible ATT&CK Techniques 2 AI

T1001 · Data Obfuscation T1105 · Ingress Tool Transfer

Affected Version Matrix 5

Vendor	Product	Version Range	Status
angular	angular	`>= 22.0.0-next.0, < 22.0.0-rc.2`	affected
		`>= 21.0.0-next.0, < 21.2.15`	affected
		`>= 20.0.0-next.0, < 20.3.22`	affected
		`>= 19.0.0-next.0, < 19.2.23`	affected
		`<= 18.2.14`	affected

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I. Basic Information for CVE-2026-50168

Vulnerability Information

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Vulnerability Title

Angular: URL Parser Differential in @angular/platform-server leading to SSRF Allowlist Bypass

Source: CVE Program / CVE List V5

Vulnerability Description

Angular is a development platform for building mobile and desktop web applications using TypeScript/JavaScript and other languages. Prior to 22.0.0-rc.2, 21.2.15, 20.3.22, and 19.2.23, an issue in the @angular/platform-server package allows remote attackers to bypass host allowlist constraints and direct server-side outgoing requests to arbitrary external endpoints. This occurs due to a parser differential between the strict WHATWG URL parser used for allowlist validation and the lenient Domino URL parser used to initialize the server emulated DOM. When a server-side request contains a malformed URL with a double port structure (e.g., http://evil.com:80:80/path), Node's strict URL.canParse(url) logic returns false and skips host check validation entirely. However, the same malformed URL is later accepted and parsed leniently by Domino's internal parser, which resolves the origin to http://evil.com:80. The Angular SSR HTTP request interceptor (relativeUrlsTransformerInterceptorFn) then resolves all relative backend HTTP requests against this adopted origin, executing the SSRF attack. This vulnerability is fixed in 22.0.0-rc.2, 21.2.15, 20.3.22, and 19.2.23.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N

Source: CVE Program / CVE List V5

Vulnerability Type

源验证错误

Source: CVE Program / CVE List V5

Vulnerability Title

angular 输入验证错误漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

Source: CNNVD (China National Vulnerability Database)

CVSS Information

N/A

Source: CNNVD (China National Vulnerability Database)

Vulnerability Type

N/A

Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
angular	angular	>= 22.0.0-next.0, < 22.0.0-rc.2	-

II. Public POCs for CVE-2026-50168

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-50168

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Patches & Fixes for CVE-2026-50168 (1)

🔗 fix(platform-server): normalize path parsing in ServerPlatformLocation by alan-agius4 · Pull Request #68928 · angular/angular · GitHub Read full article x_refsource_MISC

Vendor Advisories for CVE-2026-50168 (1)

🔗 URL Parser Differential in @angular/platform-server leading to SSRF Allowlist Bypass · Advisory · angular/angular · GitHub Read full article x_refsource_CONFIRM

https://www.cve.org/CVERecord?id=CVE-2026-50168

Same Patch Batch · angular · 2026-06-22 · 17 CVEs total

CVE-2026-52725		Angular Template and Dynamic Component Namespace Bypass leading to Cross-Site Scripting (X
CVE-2026-54265		Angular: Two-Way Property Binding Sanitization Bypass (XSS)
CVE-2026-54268		Angular: Denial of Service (DoS) via OOM in Date Formatting (formatDate)
CVE-2026-54266		Angular: Weak 32-Bit Cache Key Hashing in `HttpTransferCache` Leading to Cross-Request Dat
CVE-2026-54264		Angular: Sensitive Header Leakage on Cross-Origin Redirects in Angular Service Worker
CVE-2026-54267		Angular Client Hydration DOM Clobbering & Response-Cache Poisoning
CVE-2026-49241		Angular: Multiple Remote Code Execution Vulnerabilities in Angular Language Service VS Cod
CVE-2026-50171		Angular: Denial of Service (DoS) via OOM in Number Formatting (digitsInfo)
CVE-2026-50169		Angular Service Worker Policy-Bypass & Credential-Stripping Vulnerabilities
CVE-2026-50557		Angular: Template and Attribute Namespace Sanitization Bypass (XSS)
CVE-2026-50556		Angular: Missing `<noscript>` Raw-Text Serialization Escaping leads to Cross-Site Scriptin
CVE-2026-50555		Angular: Improper Neutralization of Input During Web Page Generation ('Cross-site Scriptin
CVE-2026-50184		Angular: Request Credential & Cache Policy Stripping in Angular Service Worker
CVE-2026-50170		Angular: Information Leak via Default Caching of Credentialed Requests in HttpTransferCach
CVE-2026-50178		Angular: Remote Code Execution via JSDoc Hover Command Injection in VS Code Angular Langua
CVE-2026-46417		Angular: SSRF via Hostname Hijacking in @angular/platform-server

IV. Related Vulnerabilities

Same product: angular

Same vendor: angular

Same weakness: CWE-346