CVE-2026-109955

Published: Ott 13, 2026 Last Modified: Ott 13, 2026
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 6,9
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
MEDIUM 5,3
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: low
Integrity: none
Availability: none

Description

AI Translation Available

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.

174

Double Decoding of the Same Data

Draft
Common Consequences
Security Scopes Affected:
Access Control Confidentiality Availability Integrity Other
Potential Impacts:
Bypass Protection Mechanism Execute Unauthorized Code Or Commands Varies By Context
Applicable Platforms
All platforms may be affected
View CWE Details
https://github.com/honojs/hono/security/advisories/GHSA-5r4p-p66f-jhc7
https://www.vulncheck.com/advisories/hono-4.12.4-before-4.13.11-middleware-bypa…