Vulnerability · Published Sep 4, 2025 · Assigned by GitHub_M

CVE-2025-58362Hono contains a flaw in URL path parsing, potentially leading to path confusion

High 7.5

In plain English

A high-severity security flaw in hono from honojs. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 48% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High

Exploit odds (30 days)0.6%top 52.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Hono is a Web application framework that provides support for any JavaScript runtime. Versions 4.8.0 through 4.9.5 contain a flaw in the getPath utility function which could allow path confusion and potential bypass of proxy-level ACLs (e.g. Nginx location blocks). The original implementation relied on fixed character offsets when parsing request URLs. Under certain malformed absolute-form Request-URIs, this could lead to incorrect path extraction depending on the application and environment. If proxy ACLs are used to protect sensitive endpoints such as /admin, this flaw could have allowed unauthorized access. The confidentiality impact depends on what data is exposed: if sensitive administrative data is exposed, the impact may be high, otherwise it may be moderate. This issue is fixed in version 4.9.6.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
npm	hono	4.9.6	GHSA-9hp6-4448-45g2

Affected products (as reported)

Vendor	Product	Versions
honojs	hono	>= 4.8.0, < 4.9.6

Weakness: CWE-706 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

https://github.com/honojs/hono/security/advisories/GHSA-9hp6-4448-45g2 x_refsource_CONFIRM
https://github.com/honojs/hono/commit/1d79aedc3f82d8c9969b115fe61bc4bd705ec8de x_refsource_MISC
https://github.com/honojs/hono/releases/tag/v4.9.6 x_refsource_MISC