9

CVE-2025-32428: jupyterhub jupyter-remote-desktop-proxy Exposure of Resource to Wrong Sphere

CVSS: 9.0v4.0CriticalDeferred
AliasesGHSA-vrq4-9hc3-cgp7PYSEC-2026-365
Published 14-04-2025Last modified 15-04-2025
Open JSON

Vulnerability summary

CVE-2025-32428 is a critical (CVSS 9.0) Exposure of Resource to Wrong Sphere vulnerability in jupyterhub jupyter-remote-desktop-proxy. EPSS estimates a 0.92% chance of exploitation in the next 30 days, higher than 59.5% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.0/10
010
Critical · v4.0 (CVE.org)
EPSS score
0.92%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 14-04-2025
    PublishedVulnerability first disclosed.
  2. 15-04-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.92%

Chance of exploitation in the next 30 days

Percentile

60%

Versus all other CVEs

30-day change

0.00 pp

From 0.92% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.92%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Jupyterhub1 product
PyPI1 product
  • jupyter-remote-desktop-proxy≥ 3.0.0, < 3.0.1

2 vendors · 2 products

References

6 links