CVE-2026-88056: Angular: SSRF and Cross-Origin Credential Disclosure via URL Resolution Discrepancy in SSR
A discrepancy between WHATWG URL parsing and Angular SSR’s URL resolution allows attackers to bypass same-origin checks and cause Server-Side Request Forgery (SSRF), potentially leaking sensitive server-side credentials.
References
- github.com/advisories/GHSA-f6mr-pjwc-34m4
- github.com/angular/angular/commit/3e924cc8dbbb57f23b262cb8f0d7e2bd0673034c
- github.com/angular/angular/commit/5aa6d97deb9ef1de14e23748b7fa74f97d183132
- github.com/angular/angular/commit/71e52d1396b9cef98652929b73e08c4cde645970
- github.com/angular/angular/commit/9339a7a2de437ed93f9cc3da7f32d0100412d599
- github.com/angular/angular/releases/tag/v20.3.30
- github.com/angular/angular/releases/tag/v21.2.22
- github.com/angular/angular/releases/tag/v22.1.4
- github.com/angular/angular/security/advisories/GHSA-f6mr-pjwc-34m4
- nvd.nist.gov/vuln/detail/CVE-2026-88056
Code Behaviors & Features
Detect and mitigate CVE-2026-88056 with GitLab Dependency Scanning
Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →