{"cve":"CVE-2026-34222","nvd":{"published":"2026-04-01T18:16:29.850","modified":"2026-06-17T10:38:40.957","status":"Analyzed","description":"Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to version 0.8.11, there is a broken access control vulnerability in tool values. This issue has been patched in version 0.8.11.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","score":7.7},"cwes":["CWE-285"],"references":["https://github.com/open-webui/open-webui/releases/tag/v0.8.11","https://github.com/open-webui/open-webui/security/advisories/GHSA-7429-hxcv-268m","http://seclists.org/fulldisclosure/2026/Apr/4"],"products":["openwebui:open_webui"],"source":"nvd","synced_at":"2026-10-19T22:28:18.033120106+00:00"},"epss":{"cve":"CVE-2026-34222","score":0.05095,"percentile":0.92362,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-7429-hxcv-268m","url":"https://osv.dev/vulnerability/GHSA-7429-hxcv-268m","summary":"Open WebUI has Broken Access Control in Tool Valves","modified":"2026-07-13T16:42:44.225630554Z","packages":[{"ecosystem":"PyPI","name":"open-webui","purl":"pkg:pypi/open-webui","ranges":["<0.8.11"],"fixed":["0.8.11"]}]},{"id":"PYSEC-2026-2709","url":"https://osv.dev/vulnerability/PYSEC-2026-2709","summary":"Open WebUI has Broken Access Control in Tool Valves","modified":"2026-07-13T16:32:18.738271597Z","packages":[{"ecosystem":"PyPI","name":"open-webui","purl":"pkg:pypi/open-webui","ranges":["<0.8.11"],"fixed":["0.8.11"]}]}],"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."]}