Input validation error in Angular - CVE-2026-46417
Published: August 20, 2026
Vulnerability identifier: #VU144423
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-46417
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform server-side request forgery.
The vulnerability exists due to improper input validation in hostname handling in @angular/platform-server when processing user-supplied hostnames. A remote attacker can supply a crafted hostname to perform server-side request forgery.
Affected software
Angular
How to mitigate CVE-2026-46417
Install security update from vendor's website.
Angular - addressed in versions 19.2.22, 20.3.21, 21.2.13, 22.0.1