CVE Watch28 sept 2026

CVE-2026-101912

ip-address is a library for parsing and manipulating IPv4 and IPv6 addresses in JavaScript. Prior to 10.7.1, the isInSubnet and isHostInSubn

CVSS

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Sin CVSS

EPSS

0.4%

p30

KEV

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Exploit Today

0-100

Publicado: 28 sept 2026 · Última mod.: 28 sept 2026 · CWE-697 · CWE-843

EPSS · 30d

0.4%EPSS · 30 días0.4%

2026-09-292026-10-21

Descripción técnica

ip-address is a library for parsing and manipulating IPv4 and IPv6 addresses in JavaScript. Prior to 10.7.1, the isInSubnet and isHostInSubnet methods in src/common.ts compare masked binary strings without validating that both operands use the same IP family. A cross-family containment check whose leading address bits match makes the masked strings compare equal even though IPv4 and IPv6 do not share an address space. An allowlist or denylist decision can therefore classify an address outside the intended range as contained. This issue is fixed in version 10.7.1.

Referencias oficiales

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