CVE-2026-41423 Angular: SSRF via protocol-relative and backslash URLs in Angular Platform-Server

Angular is a development platform for building mobile and desktop web applications using TypeScript/JavaScript and other languages. Prior to versions 19.2.21, 20.3.19, 21.2.9, and 22.0.0-next.8, a Server-Side Request Forgery SSRF vulnerability exists in @angular/platform-server due to improper...

CVE-2026-41423

Angular is a development platform for building mobile and desktop web applications using TypeScript/JavaScript and other languages. Prior to versions 19.2.21, 20.3.19, 21.2.9, and 22.0.0-next.8, a Server-Side Request Forgery SSRF vulnerability exists in @angular/platform-server due to improper...

CVE-2026-41423: Server-Side Request Forgery (SSRF)

Angular is a development platform for building mobile and desktop web applications using TypeScript/JavaScript and other languages. Prior to versions 19.2.21, 20.3.19, 21.2.9, and 22.0.0-next.8, a Server-Side Request Forgery SSRF vulnerability exists in @angular/platform-server due to improper...

GHSA-69XW-7HCM-H432 hono/jsx has Unvalidated JSX Tag Names that May Allow HTML Injection

Summary Improper handling of JSX element tag names in hono/jsx allowed unvalidated tag names to be directly inserted into the generated HTML output. When untrusted input is used as a tag name via the programmatic jsx or createElement APIs during server-side rendering, specially crafted values may...

hono/jsx has Unvalidated JSX Tag Names that May Allow HTML Injection

Summary Improper handling of JSX element tag names in hono/jsx allowed unvalidated tag names to be directly inserted into the generated HTML output. When untrusted input is used as a tag name via the programmatic jsx or createElement APIs during server-side rendering, specially crafted values may...

create-momentum-app (>=0.1.2, <=0.5.11), foliokit (0.0.0) +1 more potentially affected by CVE-2026-44437 via @angular/ssr (>=21.1.2, <=21.2.7)

@angular/ssr NPM version =21.1.2, =0.1.2, =0.0.2, =0.0.3 Source cves: CVE-2026-44437 Source advisory: SNYK:JS-ANGULARSSR-16438975...

@cosla/sensemaking-web-ui (>=1.0.5, <=1.0.8), @manniwatch/client-desktop (>=0.30.0, <=0.30.1) +3 more potentially affected by CVE-2026-44437 via @angular/ssr (>=19.0.5, <=19.2.19)

@angular/ssr NPM version =19.0.5, =1.0.5, =0.30.0, =0.30.0, =19.0.0-alpha.20, =19.0.0-alpha.20, =19.0.0-alpha.24 Source cves: CVE-2026-44437 Source advisory: SNYK:JS-ANGULARSSR-16438975...

@hmcts/ccd-case-ui-toolkit (>=7.3.49-4369, <=7.3.51), @hmcts/media-viewer (>=4.2.16-4435, <=4.2.17) potentially affected by CVE-2026-44437 via @angular/ssr (>=20.3.18, <=20.3.24)

@angular/ssr NPM version =20.3.18, =7.3.49-4369, =4.2.16-4435, =4.2.17 Source cves: CVE-2026-44437 Source advisory: OSV:GHSA-69XR-M8H6-H664...

GHSA-R27J-894H-3W3P mcp-data-vis vulnerable to denial of service via unsanitized `select` key lookup on `Object.prototype` with `precompile: true`

Summary icu-minify's runtime formatter resolves select branches by looking up the runtime value as a plain property on a prototype-bearing object. When the value coerces to a key that exists on Object.prototype e.g. toString, proto, constructor, hasOwnProperty, valueOf, the lookup returns a truth...

PT-2026-38316

Name of the Vulnerable Software and Affected Versions Angular SSR versions 19.0.0-next.0 through 19.2.24 Angular SSR versions 20.x through 20.3.24 Angular SSR versions 21.x through 21.2.8 Angular SSR versions 22.0.0-next.0 through 22.0.0-next.6 Description An issue exists in the processing logic ...

PT-2026-38318

Name of the Vulnerable Software and Affected Versions Hono versions prior to 4.12.16 Description Improper handling of JSX element tag names in hono/jsx allows unvalidated tag names to be directly inserted into the generated HTML output. When untrusted input is used as a tag name via the...

EUVD-2026-25579

@astrojs/cloudflare is an SSR adapter for use with Cloudflare Workers targets. Prior to 13.1.10, the fetch call for remote images in packages/integrations/cloudflare/src/utils/image-binding-transform.ts uses the default redirect: 'follow' behavior. This allows the Cloudflare Worker to follow HTTP...

CVE-2026-41067

Astro is a web framework. Prior to 6.1.6, the defineScriptVars function in Astro's server-side rendering pipeline uses a case-sensitive regex //g to sanitize values injected into inline ,...

CVE-2026-41067: Improper Neutralization of Input During Web Page Generation

Astro is a web framework. Prior to 6.1.6, the defineScriptVars function in Astro's server-side rendering pipeline uses a case-sensitive regex //g to sanitize values injected into inline , , or and inject arbitrary HTML/JavaScript. This vulnerability is fixed in 6.1.6...

Server-side Request Forgery (SSRF)

Overview @angular/platform-server is an Angular - library for using Angular in Node.js Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the URL parsing during Server-Side Rendering SSR. An attacker can cause the server to make arbitrary HTTP requests to...

@hmcts/ccd-case-ui-toolkit (>=7.3.49-4369, <=7.3.51), @hmcts/media-viewer (>=4.2.16-exui-4425, <=4.2.17) +1 more potentially affected by CVE-2026-41423 via @angular/platform-server (>=20.0.0, <=20.3.18)

@angular/platform-server NPM version =20.0.0, =7.3.49-4369, =4.2.16-exui-4425, =0.0.1-beta.25, =0.0.1-beta.30 Source cves: CVE-2026-41423 Source advisory: SNYK:JS-ANGULARPLATFORMSERVER-16097942...

@hmcts/ccd-case-ui-toolkit (>=7.3.49-4369, <=7.3.51), @hmcts/media-viewer (>=4.2.16-exui-4425, <=4.2.17) +1 more potentially affected by CVE-2026-41423 via @angular/platform-server (>=20.0.0, <=20.3.18)

@angular/platform-server NPM version =20.0.0, =7.3.49-4369, =4.2.16-exui-4425, =0.0.1-beta.25, =0.0.1-beta.30 Source cves: CVE-2026-41423 Source advisory: OSV:GHSA-45Q2-GJVG-7973...

create-momentum-app (>=0.0.1, <=0.5.11), foliokit (0.0.0) potentially affected by CVE-2026-41423 via @angular/platform-server (>=21.1.2, <=21.2.0)

@angular/platform-server NPM version =21.1.2, =0.0.1, =0.5.11 - foliokit 0.0.0 Source cves: CVE-2026-41423 Source advisory: OSV:GHSA-45Q2-GJVG-7973...

@cosla/sensemaking-web-ui (>=1.0.5, <=1.0.8) potentially affected by CVE-2026-41423 via @angular/platform-server (19.2.18)

@angular/platform-server NPM version 19.2.18 is affected by a known vulnerability. The following packages have a transitive dependency on @angular/platform-server and may be impacted: - @cosla/sensemaking-web-ui =1.0.5, =1.0.8 Source cves: CVE-2026-41423 Source advisory:...

Angular: SSRF via protocol-relative and backslash URLs in Angular Platform-Server

Impact A Server-Side Request Forgery SSRF vulnerability exists in @angular/platform-server due to improper handling of URLs during Server-Side Rendering SSR. When an attacker sends a request such as GET /\evil.com/ HTTP/1.1 the server engine Express, etc. passes the URL string to Angular’s...