Back to Database
Status published
Medium
CVE-2024-43787
Hono CSRF middleware can be bypassed using crafted Content-Type header
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2024-43787
Credits & Attribution
No credits recorded in the NVD database.
References
More from honojs
View All →CVE-2025-62610
Hono Improperly Authorizes JWT Audience Validation
High
8.1
CVE-2025-59139
Hono has Body Limit Middleware Bypass
Medium
5.3
CVE-2025-58362
Hono contains a flaw in URL path parsing, potentially leading to path confusion
High
7.5
CVE-2024-48913
Hono vulnerable to bypass of CSRF Middleware by a request without Content-Type header.
Medium
5.9
CVE-2024-32869
Hono vulnerable to Restricted Directory Traversal in serveStatic with deno
Medium
5.3
Affected Vendor
honojs
View all reports →Affected Software
hono
Vulnerable Versions:
< 4.5.8
Timeline
Official Publish:
August 22nd, 2024
Last Modified:
August 22nd, 2024
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L