{"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_01M5KFBMRZYHP02EB0ZJXEB1TT","modified_at":"2026-07-13T16:43:12.996248084Z","published_at":"2026-05-08T19:45:03Z","references":["https://osv.dev/vulnerability/GHSA-9vvh-qmjx-p4q8","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"],"severity":{"label":"high","score":7.6},"sources":[{"source":"osv","source_id":"GHSA-9vvh-qmjx-p4q8","url":"https://osv.dev/vulnerability/GHSA-9vvh-qmjx-p4q8"}],"summary":"Open WebUI's Base Model Routing Bypasses Access Control via Model Chaining"}