{"cve":"CVE-2026-44721","nvd":{"published":"2026-05-15T21:16:36.370","modified":"2026-06-17T10:51:16.610","status":"Modified","description":"Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, a stored cross-site scripting (XSS) vulnerability that allows any authenticated user with model creation permission (workspace.models) to execute arbitrary JavaScript in the browser of any other user (including admins) who views the malicious model in the chat UI. This vulnerability is fixed in 0.9.0.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N","score":7.3},"cwes":["CWE-79"],"references":["https://github.com/open-webui/open-webui/security/advisories/GHSA-gf5m-wcrh-7928","https://github.com/open-webui/open-webui/security/advisories/GHSA-gf5m-wcrh-7928"],"products":["openwebui:open_webui"],"source":"nvd","synced_at":"2026-10-19T22:35:16.954578616+00:00"},"epss":{"cve":"CVE-2026-44721","score":0.00308,"percentile":0.23608,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-gf5m-wcrh-7928","url":"https://osv.dev/vulnerability/GHSA-gf5m-wcrh-7928","summary":"open-webui Vulnerable to Stored XSS via Model Description","modified":"2026-07-13T16:42:26.928644024Z","packages":[{"ecosystem":"npm","name":"open-webui","purl":"pkg:npm/open-webui","ranges":["<0.9.0"],"fixed":["0.9.0"]},{"ecosystem":"PyPI","name":"open-webui","purl":"pkg:pypi/open-webui","ranges":["<0.9.0"],"fixed":["0.9.0"]}]},{"id":"PYSEC-2026-2725","url":"https://osv.dev/vulnerability/PYSEC-2026-2725","summary":"open-webui Vulnerable to Stored XSS via Model Description","modified":"2026-07-13T16:32:19.890550368Z","packages":[{"ecosystem":"PyPI","name":"open-webui","purl":"pkg:pypi/open-webui","ranges":["<0.9.0"],"fixed":["0.9.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}