Information disclosure in Open-Webui
CVE-2026-59222
Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.7.0 before 0.10.0, GET /api/v1/channels//members returned full UserModelResponse objects for channel members, including settings.ui.toolServers[].key and webhook configuration, allowing a normal channel participant to retrieve other users’ sensitive settings. This issue is fixed in version 0.10.0.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.005 (38.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 38.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.001
Affected products
- Open-Webui — versions >= 0.7.0, < 0.10.0
- Openwebui Open Webui
Weakness classification (CWE)
References
- github.com/open-webui/open-webui/commit/fbcdcf146b99b5002705060a8243eee769108f9e (Patch)
- github.com/open-webui/open-webui/releases/tag/v0.10.0 (Product, Release Notes)
- github.com/open-webui/open-webui/security/advisories/GHSA-gh7p-78x6-jw6m (Exploit, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-59222?
- CVE-2026-59222 is a medium-severity vulnerability in Open-Webui, classified under Information Disclosure. CVSS score: 6.5/10. Published 2026-07-09.
- How severe is CVE-2026-59222?
- Medium severity. CVSS v3 base score is 6.5 out of 10.