{"action":"Upgrade open-webui to 0.9.6 or later.","affected":[{"fixed":"0.9.6","introduced":"0"}],"component":"open-webui","cve_ids":["CVE-2026-54011"],"ecosystem":"PyPI","epss":0.00336,"exploited":false,"fixed_versions":["0.9.6"],"ghsa_id":"GHSA-v8qj-hxv7-mgvv","id":"tcs_01M5KH1CT6RSQV7A3C96KBD61Y","modified_at":"2026-07-13T16:32:24.951226218Z","published_at":"2026-07-13T15:46:19.301063Z","references":["https://osv.dev/vulnerability/PYSEC-2026-2759","https://github.com/open-webui/open-webui/security/advisories/GHSA-v8qj-hxv7-mgvv","https://github.com/open-webui/open-webui","https://pypi.org/project/open-webui","https://github.com/advisories/GHSA-v8qj-hxv7-mgvv","https://nvd.nist.gov/vuln/detail/CVE-2026-54011"],"severity":{"label":"high","score":8.7},"sources":[{"source":"osv","source_id":"PYSEC-2026-2759","url":"https://osv.dev/vulnerability/PYSEC-2026-2759"}],"summary":"Open WebUI: Stored XSS in Mermaid Markdown Preview"}