Threats Tagged 'ghsa-8q49-2h5h-434x'

The OpenAPI adapter in @frontmcp/adapters versions prior to 1.5.6 contains a Server-Side Request Forgery (SSRF) vulnerability in its spec-change poller. While the initial spec load is protected by an SSRF guard, the recurring poller fetches the spec URL using an unguarded global fetch, bypassing protections such as allow-list/block-list enforcement, internal IP blocking, DNS resolution pinning, and redirect validation. This allows an attacker who can influence the spec URL to cause the server to make unauthorized GET requests to internal or otherwise protected network resources. The vulnerability primarily impacts confidentiality by enabling reading of internal endpoints, including cloud metadata services. The issue is fixed in version 1.5.6 by routing the poller's fetch through the same SSRF guard as the initial load.