{"action":"Upgrade open-webui to 0.5.7 or later.","affected":[{"fixed":"0.5.7","introduced":"0"}],"component":"open-webui","cve_ids":["CVE-2026-45345"],"ecosystem":"PyPI","epss":0.00226,"exploited":false,"fixed_versions":["0.5.7"],"ghsa_id":"GHSA-gm54-m39w-grjp","id":"tcs_01M5KH16JHMF1D0VY890J4RH02","modified_at":"2026-07-13T16:32:19.851813751Z","published_at":"2026-07-13T15:19:06.702582Z","references":["https://osv.dev/vulnerability/PYSEC-2026-2727","https://github.com/open-webui/open-webui/security/advisories/GHSA-gm54-m39w-grjp","https://nvd.nist.gov/vuln/detail/CVE-2026-45345","https://github.com/open-webui/open-webui","https://pypi.org/project/open-webui","https://github.com/advisories/GHSA-gm54-m39w-grjp"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"PYSEC-2026-2727","url":"https://osv.dev/vulnerability/PYSEC-2026-2727"}],"summary":"Open WebUI missing authorization check at the model update function - models from other users can be updated"}