Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Hono | Hono | >= 4.11.8, < 4.12.27 |
Related Weaknesses (CWE)
References
- https://github.com/honojs/hono/commit/fab3b13639339cbd5ba1166a5b23d9ac30c5f64fPatch
- https://github.com/honojs/hono/releases/tag/v4.12.27Release Notes
- https://github.com/honojs/hono/security/advisories/GHSA-hvrm-45r6-mjfjVendor Advisory
FAQ
What is CVE-2026-59896?
CVE-2026-59896 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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, allo...
How severe is CVE-2026-59896?
CVE-2026-59896 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-59896?
Check the references section above for vendor advisories and patch information. Affected products include: Hono Hono.