CVE-2026-43897
NoneCVSS
—
EPSS
0.5%
Published
May 11, 2026
CISA due date
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The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| npm | link-preview-js | 0 | 4.0.1 |
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