Server-Side Request Forgery (SSRF) in Angular - CVE-2026-88056
Published: September 1, 2026 / Updated: September 12, 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: CVE-2026-88056
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
How to mitigate CVE-2026-88056
Install updates from vendor's website.
Angular - addressed in versions 20.3.30, 21.2.22, 22.1.4