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CVE-2026-42266 JupyterLab has an Extension Manager API/GUI Policy Discrepancy allowing 3rd party (malicious) extensions install via POST request.

🗓️ 13 May 2026 15:08:49Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 31 Views

CVE-2026-42266: JupyterLab Extension Manager allowed malicious extensions via POST; fixed in 4.5.7.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-42266
13 May 202615:08
attackerkb
AlpineLinux
CVE-2026-42266
13 May 202615:08
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Chainguard
CVE-2026-42266 vulnerabilities
7 May 202613:17
cgr
Circl
CVE-2026-42266
26 May 202620:07
circl
CNNVD
JupyterLab 参数注入漏洞
13 May 202600:00
cnnvd
CVE
CVE-2026-42266
13 May 202615:08
cve
Debian CVE
CVE-2026-42266
13 May 202615:08
debiancve
Github Security Blog
JupyterLab has an Extension Manager API/GUI Policy Discrepancy, allowing 3rd party (malicious) extensions install via POST request
5 May 202620:53
github
NVD
CVE-2026-42266
13 May 202616:16
nvd
OPENSUSE Linux
jupyter-jupyterlab-4.5.7-1.1 on GA media (moderate)
13 May 202600:00
opensuse
Rows per page
[
  {
    "vendor": "jupyterlab",
    "product": "jupyterlab",
    "versions": [
      {
        "version": ">= 4.0.0, < 4.5.7",
        "status": "affected"
      }
    ]
  }
]

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