CVE-2026-43897
CVE-2026-43897 · Link Preview JS: vunerable to IPv6 and internal loopback attacks
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 8.7 · High · EPSS 0.7% · Fix available
- Published
- Updated
Stack: node
Affected products and versions
link-preview-js
- Versions
- < 4.0.1: Affected
No fix published
link-preview-js npm
- Affected ranges
- SEMVER: < 4.0.1
Update to 4.0.1
Original sources
- 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
- https://nvd.nist.gov/vuln/detail/CVE-2026-43897