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TI-2026-19728 Aliases CVE-2026-24473GHSA-w332-q679-j88p

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

Priority LOW 29CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Attack requirements
None
Impact type
Information disclosure, Security bypass
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-200 and CWE-284.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00475 41st percentileScored 2026-11-07
Fix Fixed hono (honojs): 4.11.7hono (npm): 4.11.7

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
honojshonobefore 4.11.74.11.7Patch availableCNA
—hono (npm)before 4.11.74.11.7Patch availableGHSA-w332-q679-j88p
  • hono Vendorhonojs Affected before 4.11.7 Fixed in 4.11.7 Patch available CNA
  • hono (npm) Vendor— Affected before 4.11.7 Fixed in 4.11.7 Patch available GHSA-w332-q679-j88p

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:hono:hono:*:*:*:*:*:node.js:*:*before 4.11.7Vulnerablehonojs
  • cpe:2.3:a:hono:hono:*:*:*:*:*:node.js:*:* Versions before 4.11.7 Vulnerable ·honojs

Remediation

  • Fix · CNA hono (honojs) Fixed in 4.11.7
  • Fix · GHSA-w332-q679-j88p hono (npm) Fixed in 4.11.7 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-24473
  2. 2026-10-03 Alias added: GHSA-w332-q679-j88p

References

Patch 1

Advisory 2

Other 2

  • TI-2024-21741 Hono vulnerable to Restricted Directory Traversal in serveStatic with deno CVSS 3.1MEDIUM 5.3
  • TI-2024-32610 Hono vulnerable to bypass of CSRF Middleware by a request without Content-Type header. CVSS 3.1MEDIUM 5.9
  • TI-2024-29381 Hono CSRF middleware can be bypassed using crafted Content-Type header CVSS 3.1MEDIUM 5.0
  • TI-2026-23190 Hono: Arbitrary file access via serveStatic vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2026-22076 Hono is Vulnerable to Authentication Bypass by IP Spoofing in AWS Lambda ALB conninfo CVSS 3.1HIGH 8.2
  • TI-2026-18334 JWT algorithm confusion in Hono JWK Auth Middleware when JWK lacks "alg" (untrusted header.alg fallback) CVSS 3.1HIGH 8.2
See all 33 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences