{"cve":"CVE-2026-45667","nvd":{"published":"2026-05-15T22:16:56.193","modified":"2026-06-17T10:52:26.527","status":"Analyzed","description":"Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.0, GET /api/v1/memories/ef is accessible without authentication and executes request.app.state.EMBEDDING_FUNCTION(...). This allows any unauthenticated caller to trigger embedding generation which can lead to direct cost exposure if a paid provider is used. This vulnerability is fixed in 0.8.0.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","score":6.5},"cwes":["CWE-862"],"references":["https://github.com/open-webui/open-webui/security/advisories/GHSA-m69w-p7m4-585j","https://github.com/open-webui/open-webui/security/advisories/GHSA-m69w-p7m4-585j"],"products":["openwebui:open_webui"],"source":"nvd","synced_at":"2026-10-19T22:35:16.954578616+00:00"},"epss":{"cve":"CVE-2026-45667","score":0.00341,"percentile":0.27681,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-m69w-p7m4-585j","url":"https://osv.dev/vulnerability/GHSA-m69w-p7m4-585j","summary":"Open WebUI: Unauthenticated endpoint can trigger embedding generation (cost/DoS)","modified":"2026-07-13T16:43:15.152605958Z","packages":[{"ecosystem":"PyPI","name":"open-webui","purl":"pkg:pypi/open-webui","ranges":["<0.8.0"],"fixed":["0.8.0"]}]},{"id":"PYSEC-2026-2747","url":"https://osv.dev/vulnerability/PYSEC-2026-2747","summary":"Open WebUI: Unauthenticated endpoint can trigger embedding generation (cost/DoS)","modified":"2026-07-13T16:32:21.051108579Z","packages":[{"ecosystem":"PyPI","name":"open-webui","purl":"pkg:pypi/open-webui","ranges":["<0.8.0"],"fixed":["0.8.0"]}]}],"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."]}