Auth bypass in Open-Webui
CVE-2026-59715
Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.6.16 before 0.10.0, the Socket.IO server is configured with always_connect=True. The ydoc:awareness:update and ydoc:document:leave Socket.IO handlers accepted collaborative-document events without requiring an authenticated user, allowing unauthorized manipulation of document collaboration state. This issue is fixed in version 0.10.0.
Vulnerability class: Broken Authentication
Published · last modified .
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:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.004 (28.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.001
Affected products
- Open-Webui — versions >= 0.6.16, < 0.10.0
- Openwebui Open Webui
Weakness classification (CWE)
References
- github.com/open-webui/open-webui/security/advisories/GHSA-gmfw-g93r-vg53 (Exploit, Mitigation, Vendor Advisory)
- github.com/open-webui/open-webui/pull/25946 (Patch, Issue Tracking)
- github.com/open-webui/open-webui/commit/22f2fe1ffb66c993dad1e0b2b35514acaed2370e (Patch)
- github.com/open-webui/open-webui/releases/tag/v0.10.0 (Product, Release Notes)
Frequently asked questions
- What is CVE-2026-59715?
- CVE-2026-59715 is a low-severity vulnerability in Open-Webui, classified under Missing Authentication for Critical Function. CVSS score: 3.1/10. Published 2026-07-09.
- How severe is CVE-2026-59715?
- Low severity. CVSS v3 base score is 3.1 out of 10.