High severityNVD Advisory· Published May 11, 2026· Updated May 13, 2026
CVE-2026-43897
CVE-2026-43897
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
link-preview-jsnpm | < 4.0.1 | 4.0.1 |
Affected products
1Patches
Vulnerability mechanics
References
6- github.com/advisories/GHSA-4gp8-rjrq-ch6qghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-43897ghsaADVISORY
- github.com/OP-Engineering/link-preview-js/commit/4396d48909fab37553c0e93e26447fe218363edenvdWEB
- github.com/OP-Engineering/link-preview-js/pull/179nvdWEB
- github.com/OP-Engineering/link-preview-js/releases/tag/4.0.1nvdWEB
- github.com/OP-Engineering/link-preview-js/security/advisories/GHSA-4gp8-rjrq-ch6qnvdWEB
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