{"id":"EUVD-2026-63439","revision":"a04a71d00fdc4e73be8a33db0afbcded","records":[{"revision":"a04a71d00fdc4e73be8a33db0afbcded","observedAt":"2026-11-07T13:26:55.176+00:00","statement":{"source":"euvd","id":"EUVD-2026-63439","aliases":["CVE-2026-61704","GHSA-cpjf-6666-r8fx"],"title":"Link Preview JS extracts web links information. Prior to 4.0.4, the resolveDNSHost mitigation in index.ts validates one resolved IP address but fetches the original hostname, allowing an attacker-controlled DNS server to return a public add…","description":"Link Preview JS extracts web links information. Prior to 4.0.4, the resolveDNSHost mitigation in index.ts validates one resolved IP address but fetches the original hostname, allowing an attacker-controlled DNS server to return a public address during validation and a loopback or internal address during the final connection. This DNS rebinding condition bypasses the SSRF protection and can cause the server-side preview fetch to reach internal HTTP resources. Redirect handling is affected by the same validation-to-fetch mismatch. This issue is fixed in version 4.0.4.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5,"severity":null}],"references":["https://github.com/OP-Engineering/link-preview-js/security/advisories/GHSA-cpjf-6666-r8fx","https://github.com/OP-Engineering/link-preview-js/pull/181","https://github.com/OP-Engineering/link-preview-js/commit/6ee25043dd60b097eb70b4ce049aac94b28239e3","https://github.com/OP-Engineering/link-preview-js/commit/f3a3dd84adbb9d32d06a933f44ff3eaa837f9a12","https://github.com/OP-Engineering/link-preview-js/releases/tag/4.0.4"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-63439","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Aug 20, 2026, 4:21:10 PM","dateUpdated":"Aug 25, 2026, 3:03:17 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-63439","identifiers":["EUVD-2026-63439","CVE-2026-61704","GHSA-cpjf-6666-r8fx"]},"retained":false,"historicalAffected":[]}],"coverage":[]}