{"action":"Upgrade open-webui to 0.9.6 or later.","affected":[{"fixed":"0.9.6","introduced":"0"}],"component":"open-webui","cve_ids":["CVE-2026-54021"],"ecosystem":"PyPI","epss":0.00283,"exploited":false,"fixed_versions":["0.9.6"],"ghsa_id":"GHSA-9rpj-v7hf-vv2w","id":"tcs_01M5KFBGT3KP7XXTE1WS4FFDHV","modified_at":"2026-07-20T21:15:26.037031096Z","published_at":"2026-06-17T18:01:50Z","references":["https://osv.dev/vulnerability/GHSA-9rpj-v7hf-vv2w","https://github.com/open-webui/open-webui/security/advisories/GHSA-9rpj-v7hf-vv2w","https://nvd.nist.gov/vuln/detail/CVE-2026-54021","https://github.com/advisories/GHSA-9rpj-v7hf-vv2w","https://github.com/open-webui/open-webui","https://github.com/pypa/advisory-database/tree/main/vulns/open-webui/PYSEC-2026-2718.yaml","https://pypi.org/project/open-webui"],"severity":{"label":"medium","score":6.3},"sources":[{"source":"osv","source_id":"GHSA-9rpj-v7hf-vv2w","url":"https://osv.dev/vulnerability/GHSA-9rpj-v7hf-vv2w"}],"summary":"Open WebUI: Authenticated users can target arbitrary configured Ollama backends via unguarded url_idx path parameter"}