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 v3
5.3
EPSS
0.0001
EPSS Percentile
2.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-284
CWE-668
CWE-200
Status
published
Products (2)
hono/hono
< 4.11.7
npm/hono
0 - 4.11.7npm
Published
Jan 27, 2026
Tracked Since
Feb 18, 2026