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73862f6108
isPrivateUrl() did string-only hostname matching and never resolved DNS, so a public-looking name that maps to an internal IP (e.g. 127-0-0-1.sslip.io -> 127.0.0.1) passed the check while fetch/extract later resolved it and reached internal services (GHSA-wqcv-5qvx-vx75). - isPrivateUrl is now async: it keeps the fast string/literal-IP path, then resolves the hostname via DNS and rejects if any address is private. - parse-url now fetches the page itself with redirect: "error" and parses via extractFromHtml(), since article-extractor follows redirects internally and drops a redirect option, which allowed a public URL to 302 to an internal host. - Update validate-model call site to await; add regression tests.