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CVE-2026-40864

🗓️ 22 May 2026 20:13:05Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 119 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
jupyterjupyterhubRange4.1.0–5.4.5
[
  {
    "vendor": "jupyterhub",
    "product": "jupyterhub",
    "versions": [
      {
        "version": ">= 4.1.0, < 5.4.5",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
Sec-Fetch-Mode: no-corsrequest body/hub/spawnXSRF protection bypass allows an attacker to trigger a server spawn via a cross-origin POST request when Sec-Fetch-Mode: no-cors is used.CWE-352
Sec-Fetch-Mode: no-corsrequest body/hub/accept-shareXSRF protection bypass allows an attacker to force a victim to accept a share of the attacker's server via a cross-origin POST request when Sec-Fetch-Mode: no-cors is used.CWE-352

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23 Jul 2026 11:10Current
7.7High risk
Vulners AI Score7.7
CVSS 3.14.3 - 5.4
EPSS0.00146
SSVC
119