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CVE-2026-40864

🗓️ 22 May 2026 20:13:05Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 88 Views🌐 WEB

JupyterHub form posts bypass cross site forgery in 4.1.0–5.4.4; fixed in 5.4.5.

Related
Detection
Affected
Refs
Paths
NVD
Vulners
Node
jupyterjupyterhubRange4.1.05.4.5
[
  {
    "vendor": "jupyterhub",
    "product": "jupyterhub",
    "versions": [
      {
        "version": ">= 4.1.0, < 5.4.5",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
_xsrfrequest body/hub/spawnPOST form endpoint vulnerable to XSRF via Sec-Fetch-Mode: no-cors without valid _xsrf token, can spawn victim server.CWE-352
_xsrfrequest body/hub/accept-sharePOST form endpoint vulnerable to XSRF via Sec-Fetch-Mode: no-cors without valid _xsrf token, can force a share acceptance.CWE-352

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23 Jul 2026 11:10Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.14.3 - 5.4
EPSS0.00159
SSVC
88