CVE-2026-43897 — Link Preview JS: vunerable to IPv6 and internal loopback attacks
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 resol…
Published: 2026-05-11 · CVSS: 8.7 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7