CVE-2026-109955
MEDIUM
6,9
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
MEDIUM
5,3
Source: [email protected]
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
DraftCommon 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
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…