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CVE-2025-32428— Jupyter Remote Desktop Proxy makes TigerVNC accessible via the network and not just via a UNIX socket as intended

Quick assessment

Affected
jupyterhub jupyter-remote-desktop-proxy
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Jupyter Remote Desktop Proxy是JupyterHub开源的一个应用程序。 Jupyter Remote Desktop Proxy 3.0.1之前版本存在安全漏洞，该漏洞源于与TigerVNC使用时VNC服务器仍可通过网络访问。

AI Predicted 6.5 Difficulty: Moderate EPSS 0.91% · P57
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I. Basic Information for CVE-2025-32428

Vulnerability Information
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Vulnerability Title
Jupyter Remote Desktop Proxy makes TigerVNC accessible via the network and not just via a UNIX socket as intended
Source: CVE Program / CVE List V5
Vulnerability Description
Jupyter Remote Desktop Proxy allows you to run a Linux Desktop on a JupyterHub. jupyter-remote-desktop-proxy was meant to rely on UNIX sockets readable only by the current user since version 3.0.0, but when used with TigerVNC, the VNC server started by jupyter-remote-desktop-proxy were still accessible via the network. This vulnerability does not affect users having TurboVNC as the vncserver executable. This issue is fixed in 3.0.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
将资源暴露给错误范围
Source: CVE Program / CVE List V5
Vulnerability Title
Jupyter Remote Desktop Proxy 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Jupyter Remote Desktop Proxy是JupyterHub开源的一个应用程序。 Jupyter Remote Desktop Proxy 3.0.1之前版本存在安全漏洞，该漏洞源于与TigerVNC使用时VNC服务器仍可通过网络访问。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
jupyterhub jupyter-remote-desktop-proxy >= 3.0.0, < 3.0.1 -

II. Public POCs for CVE-2025-32428

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III. Intelligence Information for CVE-2025-32428

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Patches & Fixes for CVE-2025-32428 (1)

Vendor Advisories for CVE-2025-32428 (1)

IV. Related Vulnerabilities

Same vendor: jupyterhub
Same weakness: CWE-668

V. Comments for CVE-2025-32428

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