Lucene search
+L

CVE-2026-44727

🗓️ 22 Jun 2026 19:56:56Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 131 Views🌐 WEB

CVE-2026-44727: Jupyter Server stored XSS via nbconvert handlers from missing sandbox CSP; fixed in 2.20.

Related
Detection
Affected
Refs
Paths
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-44727
22 Jun 202619:56
–attackerkb
alpinelinux
AlpineLinux
CVE-2026-44727
22 Jun 202619:56
–alpinelinux
cgr
Chainguard
CVE-2026-44727 vulnerabilities
23 Jun 202608:17
–cgr
circl
Circl
CVE-2026-44727
23 Jun 202600:00
–circl
cvelist
Cvelist
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
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-44727
24 Jun 202600:00
–nessus
Rows per page
NVD
Vulners
Node
[
  {
    "vendor": "jupyter-server",
    "product": "jupyter_server",
    "versions": [
      {
        "version": "< 2.20",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
*path/api/*Stored XSS in nbconvert HTML handlers allows an attacker to gain full authority over the /api/* endpoints.CWE-1021, CWE-79

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

28 Aug 2026 16:18Current
7.3High risk
Vulners AI Score7.3
CVSS 3.15.4 - 9
CVSS 49.3
EPSS0.00438
SSVC
131