CVE-2026-59896 | THREATINT

Description

Hono is a Web application framework that provides support for any JavaScript runtime. From 4.11.8 before 4.12.27, hono/jsx did not isolate context values per request during server-side rendering, allowing createContext, useContext, jsxRenderer, or useRequestContext data from a different in-flight request to be used after an await in an async component. This issue is fixed in version 4.12.27.

PUBLISHED Reserved 2026-07-07 | Published 2026-07-08 | Updated 2026-07-08 | Assigner GitHub_M

MEDIUM: 6.5CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N

Problem types

CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Product status

>= 4.11.8, < 4.12.27

affected

References

github.com/...s/hono/security/advisories/GHSA-hvrm-45r6-mjfj

github.com/...ommit/fab3b13639339cbd5ba1166a5b23d9ac30c5f64f

github.com/honojs/hono/releases/tag/v4.12.27

cve.org (CVE-2026-59896)

nvd.nist.gov (CVE-2026-59896)

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