Angular is a development platform for building mobile and desktop web applications using TypeScript/JavaScript and other languages. Prior to 22.0.0-rc.2, 21.2.15, 20.3.22, and 19.2.23, an issue in the @angular/platform-server package allows remote attackers to bypass host allowlist constraints and direct server-side outgoing requests to arbitrary external endpoints. This occurs due to a parser differential between the strict WHATWG URL parser used for allowlist validation and the lenient Domino URL parser used to initialize the server emulated DOM. When a server-side request contains a malformed URL with a double port structure (e.g., http://evil.com:80:80/path), Node's strict URL.canParse(url) logic returns false and skips host check validation entirely. However, the same malformed URL is later accepted and parsed leniently by Domino's internal parser, which resolves the origin to http://evil.com:80. The Angular SSR HTTP request interceptor (relativeUrlsTransformerInterceptorFn) then resolves all relative backend HTTP requests against this adopted origin, executing the SSRF attack. This vulnerability is fixed in 22.0.0-rc.2, 21.2.15, 20.3.22, and 19.2.23.
This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 8.2, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), limited integrity, for affected systems. Impacting 1 product from angular organizations running these solutions should prioritize assessment and patching.
Reported in 2026, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.
2026-06-22T18:16:42.117
2026-07-09T15:24:54.253
Analyzed
CVSSv3.1: 8.2 (HIGH)
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | angular | angular | ≤ 18.2.14 | Yes |
| Application | angular | angular | < 19.2.23 | Yes |
| Application | angular | angular | < 20.3.22 | Yes |
| Application | angular | angular | < 21.2.15 | Yes |
| Application | angular | angular | 22.0.0 | Yes |
| Application | angular | angular | 22.0.0 | Yes |
| Application | angular | angular | 22.0.0 | Yes |
| Application | angular | angular | 22.0.0 | Yes |
| Application | angular | angular | 22.0.0 | Yes |
| Application | angular | angular | 22.0.0 | Yes |
| Application | angular | angular | 22.0.0 | Yes |
| Application | angular | angular | 22.0.0 | Yes |
| Application | angular | angular | 22.0.0 | Yes |
| Application | angular | angular | 22.0.0 | Yes |
| Application | angular | angular | 22.0.0 | Yes |
| Application | angular | angular | 22.0.0 | Yes |
| Application | angular | angular | 22.0.0 | Yes |
| Application | angular | angular | 22.0.0 | Yes |
| Application | angular | angular | 22.0.0 | Yes |
SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For angular's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.