{"cve":"CVE-2026-45351","nvd":{"published":"2026-05-15T22:16:55.453","modified":"2026-06-17T10:51:57.180","status":"Modified","description":"Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.9, when a regular user [non-admin] logs into the application, a http://IP:8080/api/models? web request is initiated by the application and in response, it reveals the system prompt of available models set by admin on models pages in workspace affecting the confidentiality of application. This vulnerability is fixed in 0.8.9.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","score":6.5},"cwes":["CWE-200"],"references":["https://github.com/open-webui/open-webui/security/advisories/GHSA-jh9g-8jqw-m2qx","https://github.com/open-webui/open-webui/security/advisories/GHSA-jh9g-8jqw-m2qx"],"products":["openwebui:open_webui"],"source":"nvd","synced_at":"2026-10-19T22:35:16.954578616+00:00"},"epss":{"cve":"CVE-2026-45351","score":0.00281,"percentile":0.20676,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-jh9g-8jqw-m2qx","url":"https://osv.dev/vulnerability/GHSA-jh9g-8jqw-m2qx","summary":"Open WebUI Exposes System Prompt to Regular User [Non-Admin]","modified":"2026-07-13T16:43:45.194780388Z","packages":[{"ecosystem":"PyPI","name":"open-webui","purl":"pkg:pypi/open-webui","ranges":["<0.8.9"],"fixed":["0.8.9"]}]},{"id":"PYSEC-2026-2741","url":"https://osv.dev/vulnerability/PYSEC-2026-2741","summary":"Open WebUI Exposes System Prompt to Regular User [Non-Admin]","modified":"2026-07-13T16:32:16.508069597Z","packages":[{"ecosystem":"PyPI","name":"open-webui","purl":"pkg:pypi/open-webui","ranges":["<0.8.9"],"fixed":["0.8.9"]}]}],"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."]}