Hono is a Web application framework that provides support for any JavaScript runtime.

Code

The project this record applies to. Exploit listings stay in References.

• Repository · github.com

Timeline

Detection, updates, and resolution for this record.

1. Apr 8, 2026 · NIST NVD

   Detected

   Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.12, a path traversal issue in toSSG() allows files to be written outside the configured output directory during static site generation. When using dynamic route parameters via ssgParams, specially crafted values can cause generated file paths to escape the intended output directory. This vulnerabili

2. Jul 24, 2026 · NIST NVD

   Updated

   Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.12, a path traversal issue in toSSG() allows files to be written outside the configured output directory during static site generation. When using dynamic route parameters via ssgParams, specially crafted values can cause generated file paths to escape the intended output directory. This vulnerabili

Affected

• cpe hono/honoversion unspecified

Sources

• CVE.orgVulnerability recordCVE-2026-39408

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-39408

  Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.12, a path traversal issue in toSSG() allows files to be written outside the configured output directory during static site generation. When using dynamic route parameters via ssgP

  nvd.nist.gov

References

• Patch · github.com
• Release Notes · github.com
• Exploit · github.com