{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"jupyterhub","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":[],"id":"tcs_01M5NRY4S1KXFK4RN7SWVP29A0","modified_at":"2026-10-01T03:03:04.950180614Z","published_at":"2026-05-22T21:16:43.177Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-40864","https://security-tracker.debian.org/tracker/CVE-2026-40864"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-40864","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-40864"}],"summary":"JupyterHub is software that allows users to create a multi-user server for Jupyter notebooks. In versions 4.1.0 through 5.4.4, XSRF protection (updated in 4.1.0) inappropriately treated requests with"}