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.
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Tue, 13 Oct 2026 13:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Hono 4.12.4 before 4.13.11 Middleware Bypass via serveStatic Double Decoding | |
| First Time appeared |
Hono
Hono hono |
|
| Weaknesses | CWE-174 | |
| CPEs | cpe:2.3:a:hono:hono:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Hono
Hono hono |
|
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-10-13T13:51:43.403Z
Reserved: 2026-10-13T11:25:25.214Z
Link: CVE-2026-109955
No data.
Status : Deferred
Published: 2026-10-13T14:17:34.340
Modified: 2026-10-13T14:17:34.467
Link: CVE-2026-109955
No data.
OpenCVE Enrichment
No data.
Weaknesses