{"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_01M5NSYP55XYAESJEMVBFPMCVK","modified_at":"2026-10-01T03:03:26.298573220Z","published_at":"2026-08-07T21:17:29.017Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-54338","https://security-tracker.debian.org/tracker/CVE-2026-54338"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-54338#Debian:13/jupyterhub","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-54338"}],"summary":"JupyterHub is software that allows users to create a multi-user server for Jupyter notebooks. Prior to 5.5.0, invalid input to form-based login authenticators can place an unbounded attacker-controlle"}