Hono
CVE-2024-43787
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V3 - Web Frontend Security Anti-CSRF tokens, SameSite cookies
MITRE ATT&CK
1 technique across 1 tactic: Initial Access The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 5.0 (MEDIUM). Attack characteristics: network attack vector, high complexity, no privileges required, user interaction required. Public proof-of-concept exploit code is available. |
| Exploit ScenarioDerived | A remote attacker could trick authenticated users into performing unintended actions by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAI
Hono is a Web application framework that provides support for any JavaScript runtime. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, no authentication required. Public exploit code available.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Implement anti-CSRF tokens, validate Origin/Referer headers, use SameSite cookie attribute.
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in npm
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Cross-Site Request Forgery (CSRF) (CWE-352), which allows attackers to trick authenticated users into performing unintended actions. Hono is a Web application framework that provides support for any JavaScript runtime. Hono CSRF middleware can be bypassed using crafted Content-Type header. MIME types are case insensitive, but isRequestedByFormElementRe only matches lower-case. As a result, attacker can bypass csrf middleware using upper-case form-like MIME type. This vulnerability is fixed in 4.5.8. Affected products include: Hono.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
Primary rating from Vendor (github) · only source for this CVE.
CVSS VectorVendor: github
DescriptionCVE.org
Hono is a Web application framework that provides support for any JavaScript runtime. Hono CSRF middleware can be bypassed using crafted Content-Type header. MIME types are case insensitive, but isRequestedByFormElementRe only matches lower-case. As a result, attacker can bypass csrf middleware using upper-case form-like MIME type. This vulnerability is fixed in 4.5.8.
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Cross-Site Request Forgery exploits the automatic credential inclusion behavior of web browsers.
Affected Products (CPE)CVE.org
Improper authorization in Hono's JWT Auth Middleware (hono/jwt in the npm package 'hono', versions 1.1.0 through 4.10.1)
The adapter @hono/node-server allows you to run your Hono application on Node.js. Rated high severity (CVSS 7.5), this v
Hono, a web framework, prior to version 4.6.5 is vulnerable to bypass of cross-site request forgery (CSRF) middleware by
Quadratic-complexity denial of service in Hono's `languageDetector` middleware (versions 4.12.0-4.12.33) allows unauthen
Path prefix stripping in Hono's app.mount() API exposes mounted sub-applications to incorrect routing due to a raw-vs-de
Hono is a Web application framework that provides support for any JavaScript runtime. Rated medium severity (CVSS 5.3),
@hono/node-server is an adapter that allows users to run Hono applications on Node.js. Rated medium severity (CVSS 5.3),
Cross-user HTML disclosure in Hono's server-side rendering affects all applications using hono/jsx with memo()-wrapped c
Hono is a web framework written in TypeScript. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploita
Hono is a Web application framework that provides support for any JavaScript runtime. [CVSS 8.2 HIGH]
Hono versions before 4.11.4 allow JWT algorithm confusion attacks through improper algorithm validation in the JWK/JWKS
Hono before version 4.11.4 contains a JWT algorithm confusion vulnerability in its JWK/JWKS verification middleware that
NVD
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