Auth bypass in Open-webui

CVE-2026-59215

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. Prior to 0.10.0, channel thread parent and reply handling did not bind parent_id to the channel in the URL, allowing an authenticated user to reference a…

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

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

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-59215?
CVE-2026-59215 is a low-severity vulnerability in Open-webui, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 3.1/10. Published 2026-07-09.
How severe is CVE-2026-59215?
Low severity. CVSS v3 base score is 3.1 out of 10.