CVE-2026-43897
Published:May 11, 2026
Updated:May 16, 2026
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
https://github.com/OP-Engineering/link-preview-js.git (GITHUB):
Affected version(s) >=v1.0.4 <4.0.1Fix Suggestion:
Update to version 4.0.1link-preview-js (NPM):
Affected version(s) >=1.4.3 <4.0.1Fix Suggestion:
Update to version 4.0.1link-preview-js (NPM):
Affected version(s) >=1.4.3 <4.0.1Fix Suggestion:
Update to version 4.0.1Related Resources (6)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Server-Side Request Forgery (SSRF)
EPSS
Base Score:
0.04