All vulnerabilities GHSA-hhq4-w9j2-38hg mcp-web-validator: SSRF guard (assertPublicHttpUrl) is bypassable via DNS rebinding, defeating the documented private-address block lowCWE-918 Vendor AKzar1el Package mcp-web-validator npm Affected <= 1.0.0 Disclosed 2026-08 Credit Avishai Gonen ssrfdns-rebindingtoctoumcp Published advisory