Server-Side Request Forgery (SSRF) in Angular - #VU146537
Published: September 1, 2026
Vulnerability identifier: #VU146537
CSH Severity: Medium
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-918
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The disclosed vulnerability allows a remote attacker to perform SSRF attacks.
The vulnerability exists due to the discrepancy between WHATWG URL parsing and Angular SSR's URL resolution. A remote attacker can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.
Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.
Affected software
Angular
Remediation
Install updates from vendor's website.
Angular - addressed in versions 20.3.30, 21.2.22, 22.1.4