What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-03 · updated 2026-08-11
• Weakness: CWE-79

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 products

• angular: through 19.2.25; from 20.0.0 before 20.3.27; from 21.0.0 before 21.2.19; from 22.0.0 before 22.0.7 — fixed in 20.3.27, 21.2.19, 22.0.7

How to fix

Upgrade to a fixed version: angular 20.3.27, 21.2.19, 22.0.7. Check the vendor advisory for mitigations.

References

• https://github.com/angular/angular/pull/69675
• https://github.com/angular/angular/pull/69714
• https://github.com/angular/angular/pull/69929
• https://github.com/angular/angular/pull/69930
• https://github.com/angular/angular/security/advisories/GHSA-vpx6-8pjr-4g3v
• https://github.com/angular/domino/commit/f88e5aa49cf2804d7c2df22ef1640eb4ec43dd56
• https://github.com/angular/domino/pull/32

Get alerted when CVE-2026-69149 or the next vulnerability affects your stack