CVE-2026-24398

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to version 4.11.7, IP Restriction Middleware in Hono is vulnerable to an IP address validation bypass. The `IPV4_REGEX` pattern and `convertIPv4ToBinary` function in `src/utils/ipaddr.ts` do not properly validate that IPv4 octet values are within the valid range of 0-255, allowing attackers to craft malformed IP addresses that bypass IP-based access controls. Version 4.11.7 contains a patch for the issue.

CVSS v3 4.8 MEDIUM

4.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.2 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/honojs/hono/commit/edbf6eea8e6c26a3937518d4ed91d8666edeec37	Patch
https://github.com/honojs/hono/releases/tag/v4.11.7	Release Notes
https://github.com/honojs/hono/security/advisories/GHSA-r354-f388-2fhh	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:hono:hono:*:*:*:*:*:node.js:*:*

History

04 Feb 2026, 15:34

Type	Values Removed	Values Added
First Time		Hono hono Hono
CPE		cpe:2.3:a:hono:hono::::::node.js::*
References	~~() https://github.com/honojs/hono/commit/edbf6eea8e6c26a3937518d4ed91d8666edeec37 -~~	() https://github.com/honojs/hono/commit/edbf6eea8e6c26a3937518d4ed91d8666edeec37 - Patch
References	~~() https://github.com/honojs/hono/releases/tag/v4.11.7 -~~	() https://github.com/honojs/hono/releases/tag/v4.11.7 - Release Notes
References	~~() https://github.com/honojs/hono/security/advisories/GHSA-r354-f388-2fhh -~~	() https://github.com/honojs/hono/security/advisories/GHSA-r354-f388-2fhh - Vendor Advisory

27 Jan 2026, 19:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-01-27 19:16

Updated : 2026-02-04 15:34

NVD link : CVE-2026-24398

Mitre link : CVE-2026-24398

CVE.ORG link : CVE-2026-24398

JSON object : View

Products Affected

hono

hono

CWE

CWE-185

Incorrect Regular Expression

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