What is CVE-2026-50178?

CVE-2026-50178 is a high-severity vulnerability in Angular, classified under Cross-site Scripting. CVSS score: 8.8/10. Published 2026-06-22.

How severe is CVE-2026-50178?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in Angular

CVE-2026-50178

The Angular Language Service VS Code Extension provides a rich editing experience for Angular templates. the client-side Angular Language Service VS Code extension configures the tooltip Markdown renderer with the isTrusted: true option (l…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (19.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Angular — versions < 21.2.4
Angular Angular_language_service
Angular Angular.ng-template — versions < 21.2.4

Weakness classification (CWE)

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2026-50178?: CVE-2026-50178 is a high-severity vulnerability in Angular, classified under Cross-site Scripting. CVSS score: 8.8/10. Published 2026-06-22.
How severe is CVE-2026-50178?: High severity. CVSS v3 base score is 8.8 out of 10.