CVE-2026-24473

Hono has an Arbitrary Key Read in Serve static Middleware (Cloudflare Workers Adapter)

State: Published
Severity: 6.3 Medium
Published: Jan 27, 2026
Updated: Jan 27, 2026
Reserved: Jan 23, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	6.3 Medium	CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N	GitHub_M

Weaknesses

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
CWE-284 Improper Access Control
CWE-668 Exposure of Resource to Wrong Sphere

Affected Products

Product	Versions
honohonojs	< 4.11.7Affected

References

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