What is CVE-2026-45350?

CVE-2026-45350 is a high-severity vulnerability in Open-webui, classified under Missing Authorization. CVSS score: 7.1/10. Published 2026-05-15.

How severe is CVE-2026-45350?

High severity. CVSS v3 base score is 7.1 out of 10.

Auth bypass in Open-webui

CVE-2026-45350

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.6, there is a vulnerability in chat completion API, which allows attackers to bypass tool restrictions, potentially enabling un…

Vulnerability class: Broken Access Control

EPSS: 0.001 (17.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N.

Affected products

Open-webui — versions < 0.8.6
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-2026-45350?: CVE-2026-45350 is a high-severity vulnerability in Open-webui, classified under Missing Authorization. CVSS score: 7.1/10. Published 2026-05-15.
How severe is CVE-2026-45350?: High severity. CVSS v3 base score is 7.1 out of 10.