What is CVE-2026-44554?

CVE-2026-44554 is a high-severity vulnerability in Open-webui, classified under Missing Authorization. CVSS score: 8.1/10. Published 2026-05-15.

How severe is CVE-2026-44554?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Open-webui

CVE-2026-44554

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the POST /api/v1/retrieval/process/web endpoint accepts a user-supplied collection_name and an overwrite query parameter (de…

Vulnerability class: Broken Access Control

EPSS: 0.000 (13.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

Affected products

Open-webui — versions < 0.9.0
Openwebui Open_webui

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

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

Frequently asked questions

What is CVE-2026-44554?: CVE-2026-44554 is a high-severity vulnerability in Open-webui, classified under Missing Authorization. CVSS score: 8.1/10. Published 2026-05-15.
How severe is CVE-2026-44554?: High severity. CVSS v3 base score is 8.1 out of 10.