What is CVE-2026-34222?

CVE-2026-34222 is a high-severity vulnerability in Open-webui, classified under Improper Authorization. CVSS score: 7.7/10. Published 2026-04-01.

How severe is CVE-2026-34222?

High severity. CVSS v3 base score is 7.7 out of 10.

Auth bypass in Open-webui

CVE-2026-34222

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to version 0.8.11, there is a broken access control vulnerability in tool values. This issue has been patched in version 0.8.11.

EPSS: 0.000 (2.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.

Affected products

Open-webui — versions < 0.8.11

Weakness classification (CWE)

CWE-285 — Improper Authorization

References

https://github.com/open-webui/open-webui/security/advisories/GHSA-7429-hxcv-268m (x_refsource_CONFIRM)
https://github.com/open-webui/open-webui/releases/tag/v0.8.11 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-34222?: CVE-2026-34222 is a high-severity vulnerability in Open-webui, classified under Improper Authorization. CVSS score: 7.7/10. Published 2026-04-01.
How severe is CVE-2026-34222?: High severity. CVSS v3 base score is 7.7 out of 10.