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CVE-2026-50184— Angular: Request Credential & Cache Policy Stripping in Angular Service Worker

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存在信息泄露漏洞，该漏洞源于Angular Service Worker服务在请求重建过程中剥离了客户端定义的安全参数credentials和HTTP cache mode配置，导致请求策略执行失效。

AI Predicted 6.1 Difficulty: Moderate EPSS 0.21% · P10

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 5

VendorProduct Version RangeStatus
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-2026-50184

Vulnerability Information
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Vulnerability Title
Angular: Request Credential & Cache Policy Stripping in Angular Service Worker
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/service-worker package compromises the integrity of request-policy enforcement during request reconstruction. When the Angular Service Worker intercepts network requests for matched assets, it reconstructs a new Request object using an internal helper function. During this reconstruction process, the helper function strips explicit client-defined safety parameters: the credentials configuration (such as credentials: 'omit') and the HTTP cache mode configuration (such as cache: 'no-store'). These are reverted back to standard browser-default parameters (credentials: 'same-origin' and default HTTP cache properties). This causes the browser to include active credentials (such as cookies or Authorization headers) on outbound requests where the client-side developer explicitly instructed they should be omitted, leading to potential session leaks. Additionally, it causes private or non-cacheable resources to be cached by the service worker's engine, making private page states accessible or persistent inside the client's local cache post-logout. 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:L/AC:H/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Angular 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
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存在信息泄露漏洞，该漏洞源于Angular Service Worker服务在请求重建过程中剥离了客户端定义的安全参数credentials和HTTP cache mode配置，导致请求策略执行失效。
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-2026-50184

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III. Intelligence Information for CVE-2026-50184

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Patches & Fixes for CVE-2026-50184 (1)

Vendor Advisories for CVE-2026-50184 (1)

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-2026-50168 Angular: URL Parser Differential in @angular/platform-server leading to SSRF Allowlist Byp
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-2026-50170 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-200

V. Comments for CVE-2026-50184

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