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CVE-2026-47675 Hono: Cookie helper does not sanitize sameSite and priority, allowing Set-Cookie injection

🗓️ 28 May 2026 15:28:23Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 27 Views

Hono cookie helper does not sanitize sameSite and priority, enabling Set-Cookie header injection; fixed in 4.12.21.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-47675
28 May 202615:28
attackerkb
Chainguard
CVE-2026-47675 vulnerabilities
13 Jun 202601:18
cgr
CNNVD
Hono 安全漏洞
28 May 202600:00
cnnvd
CVE
CVE-2026-47675
28 May 202615:28
cve
EUVD
EUVD-2026-32925
4 Jun 202617:59
euvd
Github Security Blog
Hono: Cookie helper does not sanitize sameSite and priority, allowing Set-Cookie injection
4 Jun 202617:59
github
NVD
CVE-2026-47675
28 May 202617:16
nvd
OSV
CGA-P348-65W5-689P
10 Jun 202609:19
osv
OSV
GHSA-3HRH-PFW6-9M5X Hono: Cookie helper does not sanitize sameSite and priority, allowing Set-Cookie injection
4 Jun 202617:59
osv
OSV
MINI-8J4F-66V7-MQXC
16 Jun 202622:39
osv
Rows per page
[
  {
    "vendor": "honojs",
    "product": "hono",
    "versions": [
      {
        "version": "< 4.12.21",
        "status": "affected"
      }
    ]
  }
]

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