{"id":"PYSEC-2026-365","summary":"TigerVNC accessible via the network and not just via a UNIX socket as intended","details":"## Summary\n\n`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.\n\nThis vulnerability does not affect users having TurboVNC as the `vncserver` executable.\n\n## Credits\n\nThis vulnerability was identified by Arne Gottwald at University of Göttingen and analyzed, reported, and reviewed by @frejanordsiek.","aliases":["CVE-2025-32428","GHSA-vrq4-9hc3-cgp7"],"modified":"2026-07-01T20:22:54.840490Z","published":"2026-06-29T11:50:35.874980Z","references":[{"type":"WEB","url":"https://github.com/jupyterhub/jupyter-remote-desktop-proxy/security/advisories/GHSA-vrq4-9hc3-cgp7"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-32428"},{"type":"WEB","url":"https://github.com/jupyterhub/jupyter-remote-desktop-proxy/commit/7dd54c25a4253badd8ea68895437e5a66a59090d"},{"type":"PACKAGE","url":"https://github.com/jupyterhub/jupyter-remote-desktop-proxy"},{"type":"PACKAGE","url":"https://pypi.org/project/jupyter-remote-desktop-proxy"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-vrq4-9hc3-cgp7"}],"affected":[{"package":{"name":"jupyter-remote-desktop-proxy","ecosystem":"PyPI","purl":"pkg:pypi/jupyter-remote-desktop-proxy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0"},{"fixed":"3.0.1"}]}],"versions":["3.0.0"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/jupyter-remote-desktop-proxy/PYSEC-2026-365.yaml"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"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"}]}