{"action":"Upgrade jupyter-server to 1.1.1 or later.","affected":[{"fixed":"1.1.1","introduced":"0"}],"component":"jupyter-server","cve_ids":["CVE-2020-26275"],"ecosystem":"PyPI","epss":0.01373,"exploited":false,"fixed_versions":["1.1.1"],"ghsa_id":"GHSA-9f66-54xg-pc2c","id":"tcs_01M5KFANVW82E47D3WFJB0AT7F","modified_at":"2026-07-09T16:56:16.793000806Z","published_at":"2020-12-21T18:01:41Z","references":["https://osv.dev/vulnerability/GHSA-9f66-54xg-pc2c","https://github.com/jupyter-server/jupyter_server/security/advisories/GHSA-9f66-54xg-pc2c","https://nvd.nist.gov/vuln/detail/CVE-2020-26275","https://github.com/jupyter-server/jupyter_server/commit/85e4abccf6ea9321d29153f73b0bd72ccb3a6bca","https://advisory.checkmarx.net/advisory/CX-2020-4291","https://github.com/jupyter-server/jupyter_server","https://github.com/pypa/advisory-database/tree/main/vulns/jupyter-server/PYSEC-2020-346.yaml","https://github.com/pypa/advisory-database/tree/main/vulns/jupyter-server/PYSEC-2020-50.yaml","https://pypi.org/project/jupyter-server"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"GHSA-9f66-54xg-pc2c","url":"https://osv.dev/vulnerability/GHSA-9f66-54xg-pc2c"}],"summary":"Jupyter Server open redirect vulnerability"}