Information disclosure in Hono
CVE-2026-24473
Hono is a Web application framework that provides support for any JavaScript runtime. Prior to version 4.11.7, Serve static Middleware for the Cloudflare Workers adapter contains an information disclosure vulnerability that may allow attackers to read arbitrary keys from the Workers environment. Improper validation of user-controlled paths can result in unintended access to internal asset keys. Version 4.11.7 contains a patch for the issue.
Vulnerability class: Information Disclosure
EPSS: 0.004 (34.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Hono
- Honojs Hono — versions < 4.11.7
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2026-24473?
- CVE-2026-24473 is a medium-severity vulnerability in Hono, classified under Information Disclosure. CVSS score: 5.3/10. Published 2026-01-27.
- How severe is CVE-2026-24473?
- Medium severity. CVSS v3 base score is 5.3 out of 10.