CVE-2026-59896

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Source
https://cve.org/CVERecord?id=CVE-2026-59896
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-59896.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2026-59896
Aliases
Downstream
CGA (73)
CLEANSTART (3)
MINI (11)
Published
2026-07-08T16:08:07Z
Modified
2026-10-16T03:00:08Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N CVSS Calculator
Summary
hono/jsx does not isolate context per request, leading to cross-request data disclosure
Details

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.

Database specific 
{
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-362"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59896.json"
}
References

Affected packages

Git / github.com/honojs/hono

Affected ranges

Type
GIT
Repo
https://github.com/honojs/hono
Events
Introduced
5ca5c3e9764486b31ad7db4c0c19b2c926753ae3
Fixed
97c6fe1f12298c715eb7b2da65b4b6e0d81682bb
Fixed
fab3b13639339cbd5ba1166a5b23d9ac30c5f64f
Database specific
Show details 
{
    "extracted_events": [
        {
            "cpe": "cpe:2.3:a:hono:hono:*:*:*:*:*:node.js:*:*",
            "range": [
                {
                    "introduced": "4.11.8"
                },
                {
                    "fixed": "4.12.27"
                }
            ],
            "source": "CPE_RANGE"
        },
        {
            "range": [
                {
                    "fixed": "fab3b13639339cbd5ba1166a5b23d9ac30c5f64f"
                }
            ],
            "source": "REFERENCES_COMMIT"
        },
        {
            "original_tag": "v4.12.27",
            "range": [
                {
                    "fixed": "97c6fe1f12298c715eb7b2da65b4b6e0d81682bb"
                }
            ],
            "source": "REFERENCES_TAG"
        }
    ]
}

Affected versions

v4.*
v4.11.10
v4.11.8
v4.11.9
v4.12.0
v4.12.1
v4.12.10
v4.12.11
v4.12.12
v4.12.13
v4.12.14
v4.12.15
v4.12.16
v4.12.17
v4.12.18
v4.12.19
v4.12.2
v4.12.20
v4.12.21
v4.12.22
v4.12.23
v4.12.24
v4.12.25
v4.12.26
v4.12.3
v4.12.4
v4.12.5
v4.12.6
v4.12.7
v4.12.8
v4.12.9

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-59896.json"