CVE-2026-24473CWE-200CWE-284CWE-668

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

Medium · published January 27, 2026

CVSS v4.0
6.3
EPSS
0%
Percentile
40.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
6.3 · MEDIUM
Vector
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
EPSS
0.00479 · 40.4th percentile
Weaknesses
CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor; CWE-284 · Improper Access Control; CWE-668 · Exposure of Resource to Wrong Sphere
Published
2026-01-27T19:37Z
EPSS history
Timeline
  • 27 JAN 19:37Z
    Hono has an Arbitrary Key Read in Serve static Middleware (Cloudflare Workers Adapter)
    cvelistv5