{"id":"CVE-2026-109955","published":"2026-10-13T14:17:34.340","lastModified":"2026-10-13T14:17:34.467","description":"Hono from 4.12.4 before 4.13.11 contains a middleware bypass vulnerability in serveStatic that allows unauthenticated attackers to skip prefix middleware by exploiting double path decoding. Attackers can send malformed percent-encoded paths that the router matches in encoded form, reaching static files without authentication checks running.","cvssScore":5.3,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","cwes":["CWE-174"],"vendors":[],"products":[],"references":[{"url":"https://github.com/honojs/hono/security/advisories/GHSA-5r4p-p66f-jhc7","tags":[]},{"url":"https://www.vulncheck.com/advisories/hono-4.12.4-before-4.13.11-middleware-bypass-via-servestatic-double-decoding","tags":[]}],"exploitRefs":[{"url":"https://github.com/honojs/hono/security/advisories/GHSA-5r4p-p66f-jhc7","tags":[]}],"hasPoc":true,"ai":null}