Hono vulnerable to Restricted Directory Traversal in serveStatic with deno
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-22 and the CVSS impact.
Summary
Hono is a Web application framework that provides support for any JavaScript runtime. Prior to version 4.2.7, when using serveStatic with deno, it is possible to traverse the directory where `main.ts` is located. This can result in retrieval of unexpected files. Version 4.2.7 contains a patch for the issue.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| honojs | hono | before 4.2.7 | 4.2.7 | Patch available | CNA |
| — | hono (npm) | before 4.2.7 | 4.2.7 | Patch available | GHSA-3mpf-rcc7-5347 |
- hono Vendorhonojs Affected before 4.2.7 Fixed in 4.2.7 Patch available CNA
- hono (npm) Vendor— Affected before 4.2.7 Fixed in 4.2.7 Patch available GHSA-3mpf-rcc7-5347
Remediation
- Fix · CNA hono (honojs) Fixed in 4.2.7
- Fix · GHSA-3mpf-rcc7-5347 hono (npm) Fixed in 4.2.7 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2024-32869
- 2026-10-03 Alias added: GHSA-3mpf-rcc7-5347
- 2026-10-21 EPSS moved to the 50th–90th percentile
References
More honojs Hono vulnerabilities
- 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
- TI-2026-18333 JWT Algorithm Confusion via Unsafe Default (HS256) in Hono JWT Middleware Allows Token Forgery and Auth Bypass CVSS 3.1HIGH 8.2
Sources
- CVE-2024-32869 · CVE Program
- CVE-2024-32869 · NVD
- FIRST EPSS
- GHSA-3mpf-rcc7-5347 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences