CVE-2026-24771 MEDIUM

CVE-2026-24771: Hono has a Cross-site Scripting vulnerability

Vendor Honojs
Product hono
Weakness CWE-79 · XSS
Published January 27, 2026
Last update January 27, 2026

CVSS base score

4.7/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N

What the vulnerability does

01Description

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to version 4.11.7, a Cross-Site Scripting (XSS) vulnerability exists in the `ErrorBoundary` component of the hono/jsx library. Under certain usage patterns, untrusted user-controlled strings may be rendered as raw HTML, allowing arbitrary script execution in the victim's browser. Version 4.11.7 patches the issue.

Key dates

02Disclosure timeline

January 27, 2026 CVE published
January 27, 2026 Record updated