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CVE-2026-44727

🗓️ 22 Jun 2026 21:16:00Reported by ubuntu.comType 
ubuntucve
 ubuntucve
🔗 ubuntu.com👁 8 Views

CVE-2026-44727: Jupyter Server before 2.20 allows stored XSS with cookie access and kernel code execution via notebook HTML outputs.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-44727
22 Jun 202619:56
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CVE-2026-44727
22 Jun 202619:56
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CVE-2026-44727 vulnerabilities
23 Jun 202608:17
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circl
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CVE-2026-44727
23 Jun 202600:00
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cve
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CVE-2026-44727
22 Jun 202619:56
cve
cvelist
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CVE-2026-44727 Jupyter Server: Stored XSS in `NbconvertFileHandler` / `NbconvertPostHandler` via missing `sandbox` CSP
22 Jun 202619:56
cvelist
debiancve
Debian CVE
CVE-2026-44727
22 Jun 202619:56
debiancve
euvd
EUVD
EUVD-2026-38347
22 Jun 202619:56
euvd
fedora
Fedora
[SECURITY] Fedora 43 Update: python-jupyter-server-2.20.0-1.fc43
5 Jul 202600:52
fedora
nessus
Tenable Nessus
Fedora 43 : python-jupyter-server (2026-275d2ecbbd)
6 Jul 202600:00
nessus
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu22.04alljupyter-server0jupyter-server_0_all.deb
Ubuntu24.04alljupyter-server0jupyter-server_0_all.deb
Ubuntu26.04alljupyter-server0jupyter-server_0_all.deb

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30 Jun 2026 18:48Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.15.4 - 9
CVSS 49.3
EPSS0.00438
SSVC
8