{"action":"Upgrade open-webui to 0.9.0 or later.","affected":[{"fixed":"0.9.0","introduced":"0"}],"component":"open-webui","cve_ids":["CVE-2026-44553"],"ecosystem":"PyPI","epss":0.00278,"exploited":false,"fixed_versions":["0.9.0"],"ghsa_id":"GHSA-45m8-cpm2-3v65","id":"tcs_01M5KEX9YZ7Y9B3YV11XXRAS54","modified_at":"2026-07-13T16:42:32.564752735Z","published_at":"2026-05-08T19:43:49Z","references":["https://osv.dev/vulnerability/GHSA-45m8-cpm2-3v65","https://github.com/open-webui/open-webui/security/advisories/GHSA-45m8-cpm2-3v65","https://nvd.nist.gov/vuln/detail/CVE-2026-44553","https://github.com/open-webui/open-webui"],"severity":{"label":"high","score":8.1},"sources":[{"source":"osv","source_id":"GHSA-45m8-cpm2-3v65","url":"https://osv.dev/vulnerability/GHSA-45m8-cpm2-3v65"}],"summary":"Open WebUI: Stale Admin Role in Socket.IO Session Pool Enables Post-Demotion Cross-User Note Access"}