Improper access control in hono - CVE-2026-24473
Published: July 24, 2026
Vulnerability identifier: #VU139318
CSH Severity: Low
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-24473
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to improper access control in serve-static middleware for the Cloudflare Workers adapter when handling user-controlled request paths for static assets. A remote attacker can send a specially crafted request to disclose sensitive information.
Only applications running on Cloudflare Workers that use the serve-static middleware with user-controllable request paths are vulnerable.
Affected software
hono
How to mitigate CVE-2026-24473
Install security update from vendor's website.
hono - update to 4.11.7