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EUVD-2026-38443

🗓️ 23 Jun 2026 12:13:06Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 9 Views

Hono before 4.12.12 fails to validate cookie names, allowing control chars and causing malformed Set-Cookie headers.

Related
Affected
Refs
[
  {
    "enisaIdVendor": [
      {
        "id": "ca86aaea-a3eb-3d0c-b469-9eff162ebaa5",
        "vendor": {
          "name": "Hono"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "46cb7751-a0b7-36d8-81b1-57e7cb3786d3",
        "product": {
          "name": "hono",
          "vendor": {
            "name": "honojs"
          }
        },
        "product_version": "0 <4.12.12"
      }
    ]
  }
]

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23 Jun 2026 13:09Current
5.9Medium risk
Vulners AI Score5.9
CVSS 46.9
CVSS 3.15.3
EPSS0.00247
SSVC
9