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Vulnerability · Published Aug 3, 2026 · Assigned by GitHub_M

CVE-2026-69149Angular SSR: Missing Fallback Raw-Content Serialization Escaping leads to Cross-Site Scripting (XSS)

High 8.6

In plain English

A high-severity cross-site scripting in angular from angular. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 36% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)8.6High
Exploit odds (30 days)0.4%top 63.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Angular is a development platform for building mobile and desktop web applications using TypeScript/JavaScript and other languages. Prior to 20.3.27, 21.2.19, and 22.0.7, a Cross-Site Scripting (XSS) vulnerability exists in @angular/platform-server's DOM emulation dependency (domino) when serializing the content of fallback raw-content elements (<iframe>, <noembed>, <noframes>, and <noscript>). This issue is fixed in versions 20.3.27, 21.2.19, and 22.0.7.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12angular.jsno fix listedDEBIAN-CVE-2026-69149
Debian:13angular.jsno fix listedDEBIAN-CVE-2026-69149
Ubuntu:22.04:LTSangular.jsno fix listedUBUNTU-CVE-2026-69149
Ubuntu:24.04:LTSangular.jsno fix listedUBUNTU-CVE-2026-69149
Ubuntu:26.04:LTSangular.jsno fix listedUBUNTU-CVE-2026-69149
Ubuntu:26.10angular.jsno fix listedUBUNTU-CVE-2026-69149
npm@angular/platform-serverno fix listedGHSA-vpx6-8pjr-4g3v
npm@angular/platform-server22.0.7GHSA-vpx6-8pjr-4g3v
npm@angular/platform-server21.2.19GHSA-vpx6-8pjr-4g3v
npm@angular/platform-server20.3.27GHSA-vpx6-8pjr-4g3v

Affected products (as reported)

VendorProductVersions
angular angular < 20.3.27>= 21.0.0-next.0, < 21.2.19>= 22.0.0-next.0, < 22.0.7
@angular platform-server < 20.3.27>= 21.0.0-next.0, < 21.2.19>= 22.0.0-next.0, < 22.0.7

Weakness: CWE-79 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

References