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CVE-2026-39408

Hono has a path traversal in toSSG() allows writing files outside the output directory PUBLISHED

Description (CNA)

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 vulnerability is fixed in 4.12.12.

Affected (CNA)

Vendor / productVersions
honojs / honoaffected < 4.12.12

CWE

CWE-22

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.