{"action":"Upgrade open-webui to 0.9.5 or later.","affected":[{"fixed":"0.9.5","introduced":"0"}],"component":"open-webui","cve_ids":["CVE-2026-45385"],"ecosystem":"PyPI","epss":0.0025,"exploited":false,"fixed_versions":["0.9.5"],"ghsa_id":"GHSA-wwhq-cx22-f7vv","id":"tcs_01M5KG301N47X10828GRWEFKRE","modified_at":"2026-07-13T16:43:44.603801606Z","published_at":"2026-05-14T20:25:40Z","references":["https://osv.dev/vulnerability/GHSA-wwhq-cx22-f7vv","https://github.com/open-webui/open-webui/security/advisories/GHSA-wwhq-cx22-f7vv","https://nvd.nist.gov/vuln/detail/CVE-2026-45385","https://github.com/open-webui/open-webui","https://github.com/open-webui/open-webui/releases/tag/v0.9.5"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"GHSA-wwhq-cx22-f7vv","url":"https://osv.dev/vulnerability/GHSA-wwhq-cx22-f7vv"}],"summary":"Open WebUI has an IDOR vulnerability in the update_message_by_id API endpoint"}