{"action":"Upgrade open-webui to 0.9.0 or later.","affected":[{"fixed":"0.9.0","introduced":"0"}],"component":"open-webui","cve_ids":["CVE-2026-44550"],"ecosystem":"PyPI","epss":0.00287,"exploited":false,"fixed_versions":["0.9.0"],"ghsa_id":"GHSA-hr43-rjmr-7wmm","id":"tcs_01M5KH1805RBVNA2TJ4SP5E6AD","modified_at":"2026-07-13T16:32:16.464585762Z","published_at":"2026-07-13T15:15:41.715716Z","references":["https://osv.dev/vulnerability/PYSEC-2026-2735","https://github.com/open-webui/open-webui/security/advisories/GHSA-hr43-rjmr-7wmm","https://nvd.nist.gov/vuln/detail/CVE-2026-44550","https://github.com/open-webui/open-webui","https://pypi.org/project/open-webui","https://github.com/advisories/GHSA-hr43-rjmr-7wmm"],"severity":{"label":"medium","score":5},"sources":[{"source":"osv","source_id":"PYSEC-2026-2735","url":"https://osv.dev/vulnerability/PYSEC-2026-2735"}],"summary":"Open WebUI's Mass Assignment via Pydantic extra='allow' Allows Creating Folders in Other Users' Accounts"}