{"action":"Upgrade open-webui to 0.9.5 or later.","affected":[{"fixed":"0.9.5","introduced":"0"}],"component":"open-webui","cve_ids":["CVE-2026-45402"],"ecosystem":"PyPI","epss":0.00346,"exploited":false,"fixed_versions":["0.9.5"],"ghsa_id":"GHSA-r472-mw7m-967f","id":"tcs_01M5KFX43Z9PEV7CZC7C18MGXK","modified_at":"2026-07-13T16:42:41.560701303Z","published_at":"2026-05-14T20:27:35Z","references":["https://osv.dev/vulnerability/GHSA-r472-mw7m-967f","https://github.com/open-webui/open-webui/security/advisories/GHSA-r472-mw7m-967f","https://nvd.nist.gov/vuln/detail/CVE-2026-45402","https://github.com/open-webui/open-webui","https://github.com/open-webui/open-webui/releases/tag/v0.9.5"],"severity":{"label":"high","score":8.1},"sources":[{"source":"osv","source_id":"GHSA-r472-mw7m-967f","url":"https://osv.dev/vulnerability/GHSA-r472-mw7m-967f"}],"summary":"Open WebUI: Cross-User File Access via Unchecked file_id in Folder Knowledge and Knowledge-Base Attach Endpoints"}