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CVE-2026-43897

Published: May 11, 2026

Modified: May 12, 2026

PUBLISHED

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.

Vendor	Product	Versions
OP-Engineering	link-preview-js	affected `< 4.0.1`

Weaknesses (CWE)

References

https://github.com/OP-Engineering/link-preview-js/security/advisories/GHSA-4gp8-rjrq-ch6q

x_refsource_CONFIRM

https://github.com/OP-Engineering/link-preview-js/pull/179

x_refsource_MISC

https://github.com/OP-Engineering/link-preview-js/commit/4396d48909fab37553c0e93e26447fe218363ede

x_refsource_MISC

https://github.com/OP-Engineering/link-preview-js/releases/tag/4.0.1

x_refsource_MISC

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