{"id":"CVE-2026-43897","revision":"f1d6c75c984b407aac101e68cd6991c9","records":[{"revision":"f1d6c75c984b407aac101e68cd6991c9","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-43897","aliases":[],"title":"Link Preview JS: vunerable to IPv6 and internal loopback attacks","description":"Link Preview JS extracts web links information. Prior to 4.0.1, the library did not check for IPv6 loopback attacks. There was also a DNS attack, where an address could be resolved into an internal IP. This could cause internal data leaks. This vulnerability is fixed in 4.0.1.","state":0,"publishedAt":"2026-05-11T21:14:40.495+00:00","modifiedAt":"2026-05-12T16:40:05.641+00:00","affected":[{"ecosystem":"Vendor product","name":"link-preview-js","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"OP-Engineering\",\n                    \"product\": \"link-preview-js\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 4.0.1\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","score":8.7,"severity":"HIGH"}],"references":["https://github.com/OP-Engineering/link-preview-js/security/advisories/GHSA-4gp8-rjrq-ch6q","https://github.com/OP-Engineering/link-preview-js/pull/179","https://github.com/OP-Engineering/link-preview-js/commit/4396d48909fab37553c0e93e26447fe218363ede","https://github.com/OP-Engineering/link-preview-js/releases/tag/4.0.1"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-43897","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-43897","identifiers":["CVE-2026-43897"]},"retained":false,"historicalAffected":[]}],"coverage":[]}