## @hono/node-server: `serveStatic` decodes the request path a second time, leading to bypass of middleware on static paths

- 種別: advisory
- 重大度: medium
- 関連技術: nodejs
- CVE: CVE-2026-118663
- 公開日時: 2026-10-28T21:05:00.000Z
- 情報源: GitHub Advisory Database (https://github.com/advisories/GHSA-rmxm-3fg6-px4f)
- パーマリンク: https://vulnpulse.app/items/ghsa-ghsa-rmxm-3fg6-px4f

影響: npm:@hono/node-server >= 1.19.10, < 2.1.3 → 2.1.3
serveStatic decodes the request path a second time after Hono has already decoded it for routing. A crafted request can be routed as one path and served as another, so middleware mounted on a static prefix does not run for a file under that prefix. Details Hono decodes the request path once before routing. serveStatic decoded it again before resolving the file. With a malformed percent-encoded sequence, the first decode leaves part of the path encoded, the router matches the encoded form, and t…