{"action":"Upgrade open-webui to 0.9.0 or later.","affected":[{"fixed":"0.9.0","introduced":"0"}],"component":"open-webui","cve_ids":["CVE-2026-44555"],"ecosystem":"PyPI","epss":0.00304,"exploited":false,"fixed_versions":["0.9.0"],"ghsa_id":"GHSA-9vvh-qmjx-p4q8","id":"tcs_01M5KH14R0R4JZJEZ64ACXV0BX","modified_at":"2026-07-13T16:32:19.157475040Z","published_at":"2026-07-13T15:15:41.900230Z","references":["https://osv.dev/vulnerability/PYSEC-2026-2719","https://github.com/open-webui/open-webui/security/advisories/GHSA-9vvh-qmjx-p4q8","https://nvd.nist.gov/vuln/detail/CVE-2026-44555","https://github.com/open-webui/open-webui","https://pypi.org/project/open-webui","https://github.com/advisories/GHSA-9vvh-qmjx-p4q8"],"severity":{"label":"high","score":7.6},"sources":[{"source":"osv","source_id":"PYSEC-2026-2719","url":"https://osv.dev/vulnerability/PYSEC-2026-2719"}],"summary":"Open WebUI's Base Model Routing Bypasses Access Control via Model Chaining"}