{"action":"Upgrade open-webui to 0.9.0 or later.","affected":[{"fixed":"0.9.0","introduced":"0.8.0"}],"component":"open-webui","cve_ids":["CVE-2026-88005"],"ecosystem":"PyPI","epss":0.00371,"exploited":false,"fixed_versions":["0.9.0"],"ghsa_id":"GHSA-4qg5-cxx4-g927","id":"tcs_01M5KHA168ZGZN8QAMCEMTCR8C","modified_at":"2026-10-01T17:45:06.264115413Z","published_at":"2026-10-01T16:38:29.336664Z","references":["https://osv.dev/vulnerability/PYSEC-2026-4119","https://github.com/open-webui/open-webui/security/advisories/GHSA-4qg5-cxx4-g927","https://github.com/open-webui/open-webui/pull/23639","https://github.com/open-webui/open-webui/commit/fb5ef978bfb451c3f2221931e08e54250cec58ca","https://github.com/open-webui/open-webui","https://github.com/open-webui/open-webui/releases/tag/v0.9.0","https://pypi.org/project/open-webui","https://github.com/advisories/GHSA-4qg5-cxx4-g927","https://nvd.nist.gov/vuln/detail/CVE-2026-88005"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"PYSEC-2026-4119","url":"https://osv.dev/vulnerability/PYSEC-2026-4119"}],"summary":"Open WebUI: Users denied by the OAuth domain allowlist or role policy can still sign in via token exchange"}