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Vulnerabilities

Vulnerability · CVE-2025-32428

TigerVNC accessible via the network and not just via a UNIX socket as intended

Published Apr 12, 2025 · catalog updated Oct 27, 2026 · TigerVNC accessible via the

Last checked Nov 5, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-32428. EPSS is 0.92%. Act only if a listed version of TigerVNC accessible via the is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (TigerVNC accessible via the).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical—
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.92%
Remediation
Advisory link
Affected products
PyPI jupyter-remote-desktop-proxy

## Summary 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 were still accessible via the network. This vulnerability does not affect users having TurboVNC as the executable. ## Credits This vulnerability was identified by Arne Gottwald at University of Göttingen and analyzed, reported, and reviewed by @frejanordsiek.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • PyPI jupyter-remote-desktop-proxy3.0.0 → 3.0.1

How to fix CVE-2025-32428

  • Upgrade

    CVE-2025-32428 lists a fix boundary at 3.0.1. Compare the installed build with that boundary before you change production.

  • Version check

    Seen in 3.0.0 → 3.0.1

  • Advisory

    Open the cve_org record and follow its fix.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-32428. EPSS is 0.92%. Act only if a listed version of TigerVNC accessible via the is installed.

Which versions are affected?

Compare what you have installed with 3.0.0 → 3.0.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-668: Exposure of Resource to Wrong Sphere. EPSS 0.92%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 12, 2025 · PyPA Advisory Database

    Detected

    ## Summary 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 were still accessible via the network. This vulnerability does not affect users having TurboVNC as the executable. ## Credits This vulnerability was identified by Arne Gottwald at University of Göttingen and analyzed, reported, and reviewed by @

  2. Oct 27, 2026 · PyPA Advisory Database

    Fix available

    jupyter-remote-desktop-proxy fixed in 3.0.1

  3. Oct 27, 2026 · PyPA Advisory Database

    Fix available

    jupyter-remote-desktop-proxy fixed in 3.0.1

  4. Oct 27, 2026 · PyPA Advisory Database

    Updated

    ## Summary 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 were still accessible via the network. This vulnerability does not affect users having TurboVNC as the executable. ## Credits This vulnerability was identified by Arne Gottwald at University of Göttingen and analyzed, reported, and reviewed by @

Sources

References

Freshness

Last verified in this catalog Nov 5, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • PyPA Advisory DatabaseOct 28, 2026
  • CVE.orgOct 27, 2026