PT-2026-56506 · Hono · Hono

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CVE-2026-59896

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Published

2026-07-08

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Updated

2026-07-21

CVSS v3.1

6.5

Medium

VectorAV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
Name of the Vulnerable Software and Affected Versions Hono versions 4.11.8 through 4.12.26
Description During server-side rendering, the hono/jsx module fails to isolate context values on a per-request basis. This allows data from a different in-flight request to be accessed after an await operation within an async component. The affected functions include createContext(), useContext(), jsxRenderer(), and useRequestContext().
Recommendations Update Hono to version 4.12.27.

Exploit

Fix

Race Condition

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Weakness Enumeration

Related Identifiers

CVE-2026-59896
GHSA-HVRM-45R6-MJFJ

Affected Products

Hono