{"action":"Upgrade open-webui to 0.9.0 or later.","affected":[{"fixed":"0.9.0","introduced":"0"}],"component":"open-webui","cve_ids":["CVE-2026-44559"],"ecosystem":"PyPI","epss":0.00221,"exploited":false,"fixed_versions":["0.9.0"],"ghsa_id":"GHSA-c7wp-3qh5-55pv","id":"tcs_01M5KH152Z2B73HXJVQ0T6KPTJ","modified_at":"2026-07-13T16:32:19.857821477Z","published_at":"2026-07-13T15:15:42.243379Z","references":["https://osv.dev/vulnerability/PYSEC-2026-2720","https://github.com/open-webui/open-webui/security/advisories/GHSA-c7wp-3qh5-55pv","https://nvd.nist.gov/vuln/detail/CVE-2026-44559","https://github.com/open-webui/open-webui","https://pypi.org/project/open-webui","https://github.com/advisories/GHSA-c7wp-3qh5-55pv"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"PYSEC-2026-2720","url":"https://osv.dev/vulnerability/PYSEC-2026-2720"}],"summary":"Open WebUI Missing Access Check on Channel Members Endpoint for Standard Channels"}