{"action":"Upgrade open-webui to 0.11.1 or later.","affected":[{"fixed":"0.11.1","introduced":"0.9.5"}],"component":"open-webui","cve_ids":["CVE-2026-88001"],"ecosystem":"PyPI","epss":0.00378,"exploited":false,"fixed_versions":["0.11.1"],"ghsa_id":"GHSA-5x7x-4c3c-qf5w","id":"tcs_01M5KH8B0N455YT8TN1T4QJQJF","modified_at":"2026-09-10T12:15:07.011695232Z","published_at":"2026-09-10T09:45:01.770883Z","references":["https://osv.dev/vulnerability/PYSEC-2026-3878","https://github.com/open-webui/open-webui/security/advisories/GHSA-5x7x-4c3c-qf5w","https://github.com/open-webui/open-webui/pull/27823","https://github.com/open-webui/open-webui/commit/e3e4bd87df6fc629e7e22081d980d55a7632b8b7","https://github.com/open-webui/open-webui","https://github.com/open-webui/open-webui/releases/tag/v0.11.1","https://pypi.org/project/open-webui","https://github.com/advisories/GHSA-5x7x-4c3c-qf5w","https://nvd.nist.gov/vuln/detail/CVE-2026-88001"],"severity":{"label":"medium","score":5},"sources":[{"source":"osv","source_id":"PYSEC-2026-3878","url":"https://osv.dev/vulnerability/PYSEC-2026-3878"}],"summary":"Open WebUI: Server-side fetches reach blocked and internal hosts via unvalidated HTTP redirect targets"}