What’s Vulnerable › Vulnerabilities

CVE-2026-59222: Open WebUI: /api/v1/channels/{id}/members exposes full user model including sensitive credentials

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-07-09 · updated 2026-07-10
• Weakness: CWE-200

Description

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.

Affected products

• open-webui: from 0.7.0 before 0.10.0 — fixed in 0.10.0

How to fix

Upgrade to a fixed version: open-webui 0.10.0. Check the vendor advisory for mitigations.

References

• https://github.com/open-webui/open-webui/commit/fbcdcf146b99b5002705060a8243eee769108f9e
• https://github.com/open-webui/open-webui/releases/tag/v0.10.0
• https://github.com/open-webui/open-webui/security/advisories/GHSA-gh7p-78x6-jw6m
• https://github.com/open-webui/open-webui/security/advisories/GHSA-gh7p-78x6-jw6m

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