What is CVE-2026-29070?

CVE-2026-29070 is a medium-severity vulnerability in Open-webui, classified under Missing Authorization. CVSS score: 5.4/10. Published 2026-03-26.

How severe is CVE-2026-29070?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Auth bypass in Open-webui

CVE-2026-29070

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to version 0.8.6, an access control check is missing when deleting a file from a knowledge base. The only check being done is that the…

Vulnerability class: Broken Access Control

EPSS: 0.001 (16.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.

Affected products

Open-webui — versions < 0.8.6

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

https://github.com/open-webui/open-webui/security/advisories/GHSA-26gm-93rw-cchf (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-29070?: CVE-2026-29070 is a medium-severity vulnerability in Open-webui, classified under Missing Authorization. CVSS score: 5.4/10. Published 2026-03-26.
How severe is CVE-2026-29070?: Medium severity. CVSS v3 base score is 5.4 out of 10.