{"action":"Upgrade jupyter-server to 2.6.0 or later.","affected":[{"fixed":"2.6.0","introduced":"2.0.0"}],"component":"jupyter-server","cve_ids":["CVE-2026-114135"],"ecosystem":"PyPI","exploited":false,"fixed_versions":["2.6.0"],"ghsa_id":"GHSA-354v-3q48-cv69","id":"tcs_01M5JMCAFEHQEQV9ZH4N4NK4G9","modified_at":"2026-10-22T16:00:09.146840746Z","published_at":"2026-10-22T15:46:31Z","references":["https://osv.dev/vulnerability/GHSA-354v-3q48-cv69","https://github.com/jupyter-server/jupyter_server/security/advisories/GHSA-354v-3q48-cv69","https://nvd.nist.gov/vuln/detail/CVE-2026-114135","https://github.com/jupyter-server/jupyter_server/pull/1261","https://github.com/jupyter-server/jupyter_server/commit/35ffe5d435682128da16dc144a8e9e9f8fa85dd8","https://github.com/jupyter-server/jupyter_server","https://github.com/jupyter-server/jupyter_server/releases/tag/v2.6.0"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"GHSA-354v-3q48-cv69","url":"https://osv.dev/vulnerability/GHSA-354v-3q48-cv69"}],"summary":"Jupyter Server: Gateway WebSocket handler bypasses kernel execute authorization"}