CVE-2026-24771

Name: CVE-2026-24771
Creator: NVD / NIST
Published: 2026-01-27T20:16:24.337+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.7/10EPSS 0.30%

Last modified Jun 17, 2026

CVE-2026-24771 is a medium-severity vulnerability rated 4.7/10 on the CVSS scale. 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. EPSS estimates a 0.30% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

4.7/10

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

EPSS Probability

0.30%

21.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Hono	Hono	< 4.11.7

References

Timeline

Published: Jan 27, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-24771?

How severe is CVE-2026-24771?

CVE-2026-24771 has a CVSS score of 4.7/10 (MEDIUM severity). The EPSS model estimates a 0.30% probability of exploitation in the next 30 days.

How do I fix CVE-2026-24771?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-24771?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST