Auth bypass in Open-webui

CVE-2026-70494

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.10.0 until 0.11.0, the DELETE /api/v1/folders/{id} handler in backend/open_webui/routers/folders.py allowed a user granted write access to a share…

Vulnerability class: Broken Access Control

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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-70494?
CVE-2026-70494 is a high-severity vulnerability in Open-webui, classified under Missing Authorization. CVSS score: 8.1/10. Published 2026-08-04.
How severe is CVE-2026-70494?
High severity. CVSS v3 base score is 8.1 out of 10.