{"action":"Upgrade open-webui to 0.9.0 or later.","affected":[{"fixed":"0.9.0","introduced":"0"}],"component":"open-webui","cve_ids":["CVE-2026-45399"],"ecosystem":"PyPI","epss":0.0027,"exploited":false,"fixed_versions":["0.9.0"],"ghsa_id":"GHSA-8jjp-r2w2-4v22","id":"tcs_01M5KH13TDCD414TE81YXVAY7R","modified_at":"2026-07-13T16:32:16.650219026Z","published_at":"2026-07-13T15:19:07.598740Z","references":["https://osv.dev/vulnerability/PYSEC-2026-2714","https://github.com/open-webui/open-webui/security/advisories/GHSA-8jjp-r2w2-4v22","https://nvd.nist.gov/vuln/detail/CVE-2026-45399","https://github.com/open-webui/open-webui/pull/23454","https://github.com/open-webui/open-webui/commit/e7ff4768f8ffe1924b4576381c9e45e8a64350e4","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-8jjp-r2w2-4v22"],"severity":{"label":"high","score":7.1},"sources":[{"source":"osv","source_id":"PYSEC-2026-2714","url":"https://osv.dev/vulnerability/PYSEC-2026-2714"}],"summary":"Open WebUI: Low-privilege authenticated users can enumerate and stop global background tasks, causing system-wide chat disruption"}