{"action":"Upgrade open-webui to 0.9.0 or later.","affected":[{"fixed":"0.9.0","introduced":"0"}],"component":"open-webui","cve_ids":["CVE-2026-44561"],"ecosystem":"PyPI","epss":0.00178,"exploited":false,"fixed_versions":["0.9.0"],"ghsa_id":"GHSA-hmgr-67hw-j2cq","id":"tcs_01M5KFM2ABNX3Y9VY127QANG3K","modified_at":"2026-07-13T16:42:55.439811744Z","published_at":"2026-05-08T20:01:45Z","references":["https://osv.dev/vulnerability/GHSA-hmgr-67hw-j2cq","https://github.com/open-webui/open-webui/security/advisories/GHSA-hmgr-67hw-j2cq","https://nvd.nist.gov/vuln/detail/CVE-2026-44561","https://github.com/open-webui/open-webui"],"severity":{"label":"medium","score":5.4},"sources":[{"source":"osv","source_id":"GHSA-hmgr-67hw-j2cq","url":"https://osv.dev/vulnerability/GHSA-hmgr-67hw-j2cq"}],"summary":"Open WebUI: Deactivated Channel Members Retain Full Access to Group/DM Channels"}