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CVE-2026-101913 Details

Description

ip-address is a library for parsing and manipulating IPv4 and IPv6 addresses in JavaScript. Prior to 10.5.1, the Address6 isLinkLocal method in src/ipv6.ts recognizes only fe80::/64 instead of the complete fe80::/10 IPv6 link-local range. An attacker-controlled address elsewhere in fe80::/10 can therefore pass a trust-boundary check that relies on isLinkLocal. The same address is identified as link-local by getType and getScope, exposing the inconsistent classification. A successful bypass can reach an on-link host outside the intended trust boundary. This issue is fixed in version 10.5.1.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/beaugunderson/ip-address/security/advisories/GHSA-rpw4-54j3-4h4q	CISA-ADP
https://github.com/beaugunderson/ip-address/commit/d03e960c7cc3179ef25c8a44b4f94dd499625546	[email protected]
https://github.com/beaugunderson/ip-address/releases/tag/v10.5.1	[email protected]
https://github.com/beaugunderson/ip-address/security/advisories/GHSA-rpw4-54j3-4h4q	[email protected]

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-697	Incorrect Comparison	[email protected]
CWE-918	Server-Side Request Forgery (SSRF)	[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

Date	Action	Recorded By
Sep 28, 2026	CVE Modified	CISA-ADP
Sep 28, 2026	New CVE Received	[email protected]