What is CVE-2026-45667?

CVE-2026-45667 is a medium-severity vulnerability in Open-webui, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-05-15.

How severe is CVE-2026-45667?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Open-webui

CVE-2026-45667

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 al…

Vulnerability class: Broken Access Control

EPSS: 0.000 (6.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.

Affected products

Open-webui — versions < 0.8.0
Openwebui Open_webui

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-45667?: CVE-2026-45667 is a medium-severity vulnerability in Open-webui, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-05-15.
How severe is CVE-2026-45667?: Medium severity. CVSS v3 base score is 6.5 out of 10.