{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"nbconvert","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":[],"id":"tcs_01M5NTNGM4M7VMWP33G3M73JA5","modified_at":"2026-10-26T11:47:27.410170215Z","published_at":"2026-06-26T10:16:22.810Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-6658","https://security-tracker.debian.org/tracker/CVE-2026-6658"],"severity":{"label":"medium","score":5.4},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-6658#Debian:14/nbconvert","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-6658"}],"summary":"A vulnerability in jupyter/nbconvert versions <= 7.17.0 allows for Cross-site Scripting (XSS) via unsanitized `text/vnd.mermaid` output in HTML exports. The `data_mermaid` block in `share/templates/la"}